Water Well Screen & Casing Systems

Proven quality worldwide

Making The Best Of What Nature Provides

2 3

Waterwell Casing and Screens:

A sustainable supply of good quality clean water is a priceless asset,

of which 97% of the worlds total volume lies beneath the Earths

surface as groundwater.Groundwater availability, flow, storage,

chemistry and microbiology is not uniform or constant in water

bearing stratas. These characteristics vary in three dimensions,

and change with the fourth dimension of time. The challenge for

Hydrogeologists, Drillers and Engineers is to make the best of what

Nature provides. In many environments it is essential to seal off

shallow groundwater sources which can easily be contaminated by

man’s activities on the surface which precipitates the need to draw

from deeper groundwater flows that are better protected.

Plain PVC Well Casing, with an appropriate grout seal in the annulus,

is necessary to exclude the shallow groundwater, protect the pump

and support the unstable upper layers of overburden and rock.

Deeper down, the selected groundwater flow system may be through

unstable sands and gravels, or highly fractured and weathered bedrock

aquifers.In both cases it is important to stablise the aquifer strata,

and, at the same time, allow the groundwater to flow easily into the

borehole. A PVC Well Screen is installed to achieve this purpose. The

Well Screen should be strong enough, with a suitable gravel pack, to

prevent the collapse of the producing section of the borehole, and

yet be designed with a sufficient slot size and open area to permit the

efficient flow of water from the aquifer into the borehole.

Boode bv have over 100 years of experience in both drilling, and the

supply of a wide range of high quality products to the water well

drilling industry, together with advice that enable professionals in the

industry to make the best of what Nature can provide.

“We will never know the worth of water until the well goes dry” – Dr Thomas Fuller c.1732

Boode PVC Well Screen & Casing are approved by the UK Secretary of State under regulation 31 of the Water Supply (Water

Quality) Regulations 2000” [previously Regulation 25 of the 1989 Regulations] & are listed in the “List of Approved Products

and Processes for use in Public Water Supply” published by the DWI www.dwi.gov.uk

Contents Page

Company Profile 5

Well Design 6

Pumping Data For PVC Screen 7

Standard PVC Casing & Vertical Slot Screen 1”- 6” (26 mm – 165 mm) 8

Standard PVC Casing & Vertical Slot Screen 6½”- 24” (180 mm – 630 mm) 10

Boode CSS™ - Continuous Slot PVC Screen 12

Boode BGP™ - Gravel Coated PVC Screen 13

BoodePac™ - Dual Wall PVC Screen 14

HDPE Screen & Casing 15

Ancillary Equipment 16

Boode - Official Agents for Johnson Screens 18

Boode – Official Retailer for Baroid IDP 19

Bentonite & Well Sealing Products 20

Dorsilit Filter Media 21

Borehole Monitoring Equipment 22

Boresaver - Well Rehabilitation Treatment 23

The Fairwater BluePump 24

Applications 25

Geothermal Systems & Environmental Information 26

Environmental Responsibility 27

4 5

Company Profile

BOODE BV is one of the world’s leading manufacturers of equipment for the water

well drilling industry.

Improved Drilling PerformanceBOODE Work to stringent parameters and high specification standards using advanced materials and manufacturing equipment. Tailor made packages can be supplied to suit the practical and economical requirements of drilling projects. We also have an acute sense of the requisite for cost effectiveness in planning and executing operations, where the need to assemble and complete a project within technical and budgeting limits are of paramount importance.

International partnersIn addition to our own products we can supply equipment and materials produced by the world’s leading manufacturers at their standard international prices. Because of our good standing with major manufacturers we can secure prompt and efficient service for our clients regarding the proposed products.

Reliance on groundwater has increased dramatically over the past few decades because

of population drifts to areas where surface water is not in abundance.

Similarly, substantial increases in groundwater withdrawals have occurred recently in

almost every country in the world. In this context BOODE b.v. are dedicated, through their

knowledge and experience, to develop casing and screen systems so that groundwater

resources can be developed economically in the widest range of hydrogeologic settings

without damage to aquifers by virtue of effective well designs, which in turn will protect

groundwater therefore ensuring that current and future generations can depend on this

resource to enhance their quality of life.

Groundwater is a priceless resource lying beneath most of the Earth’s land surface.

Boode b.v. are a family owned company & have been active in Groundwater abstraction since 1897. Started as a water well drilling company, we progressed to become a world leader in the manufacture of high quality PVC water well casing & screen systems from the late 1950’s & continue to do so today.

High quality water well products along with excellent service, fast on time delivery schedules and unrivalled flexibility, have ensured that Boode products are installed successfully worldwide. From our state of the art manufacturing plant & Head office in Zevenhuizen, Holland, our subsidiary company, Boode UK, in England, authorised agents throughout Europe & partners strategically located in parts of the world where water is of prime concern, Boode provide truly global water solutions.

Our success in the well drilling industry has enabled us to add world leading complementary well drilling products. Boode are sole distributors in Holland, The United Kingdom and Ireland, for Johnson stainless steel V-Wire™ well screens, casing and ZSM riser pipes & are authorised retailers of Baroid Industrial Drilling Products, along with Mikolit & Cebogel well sealing products & Dorsilit filter media

Our expertise in the drilling industry enable us to offer our customers constructive advice and tailor made systems. We look forward to being of service to you.

Our experience in well-drilling since 1897enables us to offer you expert advice.

BOODE Products are exported to countries worldwide

Boode Head Office Zevenhuizen, Holland

How Much Water Can You Get ThroughA Well Screen?

Well screens have different open areas, depending upon the construction and design of the screen. There has been much research and field experimentation in the last 80 years to try to work out the optimum flow rate through the slots in a screen, for different grain size and permeability aquifers, to minimise friction head losses, corrosion, erosion by fine sand or silt, or encrustation.Various authorities have presented safe, optimum or recommended entrance velocities.These range from a generally accepted optimum of 3cm/second to an upper limit of 45cm/second. It is not possible to be more precise because every borehole and aquifer is different.

All authorities stress the value of local knowledge amongst drillers, hydrogeologists and engineers. Experience of what works best locally is usually more successful than theoretical calculations. The well screen slots in contact with the

natural or artificial gravel pack are always partially blocked by the granular material in the gravel pack. Therefore the entrance velocity, or the amount of water that can get through the screen slot is not determined solely by the aperture of the slot.Instead, it is controlled by the apertures between the grains of sand or gravel jammed up against, or partially, into the slot. Biofilms or encrustation can build up over time and further reduce the size of open holes either in the gravel pack or the screen. These factors cannot be controlled or predicted accurately. Therefore the table below is a simple conservative guide to the amount of water that can obtained for a length of one metre length of 1 mm slot screen and a two metre drawdown. These flow rates can be exceeded, if a clean gravel pack can be developed with large well rounded grains around a screen with wider slots.

Listed below is approximate data relating to the volume of water that can be pumped through a 1 metre length of screen with 1 mm slots (with a 2 metre drop in the water level), all based on practical experience and results.

Pumping Data For PVC Screen

Well Design

LOW

PEr

MEA

BIL

ITy

OV

ErB

Ur

DEN

SAN

D A

ND

Gr

AV

EL A

qU

IFEr

1

2

3

4

5

6

7

8

9

11

10

Legend

1. Discharge Pipe From Boode Wellhead

2. Concrete Slab For The Well House Foundations

(Note: Many Details At The Top Of The

Borehole Are Not Shown, In Order To

Keep The Diagram Simple.

For Example:- The Well House,

Control Valve, Flow Meter,

Electricity Supply Cable Etc.)

3. Boode PVC Pump Chamber Casing

4. Pumping Water Level In The Borehole

5. Cement Or Bentonite Grout Sealing The

Annulus Around The Pump Chamber Casing

6. Electric Submersible Pump

7. Water Inflow To The Pump Intake

8. Boode PVC Well Screen

9. Gravel Filter Pack Filling The Annulus

Around The Well Screen

10. Groundwater Flows Through The Sand

And Gravel Aquifer To The Well Screen

11. Groundwater Is Drawn Through The Screen

Slots And Flows Up To The Pump Intake

6 7

diameter Ø m3/h l/min. igpm usgpm mm inches

6090

113125140165200225250280315330355400450500

2 3 4

4.5 5 6 7 8 9 10 11 12 13 14 16 18

3 4.5 6 7.5 8.5 10 12 13.5 19.5 22 27 29 31 35 40 45

5075

100125142167200225325367450483517583667750

1117222831374450728199

106114128147165

13202633374352598595

117126134152173195

8

Standard PVC Casing & Vertical Slot Screen 1”- 6” (26 mm-165 mm)

9

Glue connectionspigot and socket

Trapezoidal thread connectionwith socket

BSP thread connectionwith socket

Trapezoidal thread connectionflush butt jointed

Coarse thread (rope type)connection

* Recommended installation depths result from practical experience, and, depending on ground formations, deeper installations are possible. We can be contacted for related advice at all times.

A

B

D

C

E

D

B**

C**

** Optional Rubber seal

BOODE Casing - Relationship between Casing Diameter, Casing Wall thickness and

Collapse Resistance

Casing outside Diameter (mm)

32 40 50 63 75 90 110 113 125 140 160 165 180 200 225 250 280 315 330 335 400 450 500 630

WALL THICKNESS COLLAPSE RESISTANCE

Cas

ing

Wal

l th

ickn

ess

(mm

)

24

22

20

18

16

14

12

10

8

6

4

2

0

60

55

50

45

40

35

30

25

20

15

10

5

0

Cas

ing

co

llap

se R

esis

tan

ce P

ress

ure

in b

ar (

kp/c

m2 )

Inch Outside x inside diameter in mm

Wall thickness

in mm

Indication of installation depth in m*

PN SDR Collapse resistance

in bar (kp/cm2)

Weight approx. kg/mt

Joint stripping Load A

connection in kN

Joint stripping load B

connection in kN

Joint stripping load C

connection in kN

Type of connec-

tion

OD over connection

type A

OD over connection type B+D

OD over connection

type E

Screen minimum slotsize in mm

A-socket length in

mm

B+C+D thread lengthsin mm

1” 32 x 28 2.0 100-200 12.5 16 20.3 0.26 45 A 36 0.3 451” 32 x 27.2 2.4 200-300 16 13 36.4 0.33 45 A-E 37 41 0.3 45

1-¼” 40 x 36 2.0 100-200 12.5 20 10.0 0.33 63 A 44 0.3 501-¼” 40 x 33 3.5 200-300 16 11 60.3 0.56 63 A 47 0.3 50 B/C - D3/4” 26.4 x 19.6 3.1 300 plus 20 9 161.0 0.34 33 A-B-D 33 29 0.3 40 38 - 30

1” 33.2 x 25.6 3.8 300 plus 20 9 147.6 0.52 52 9.4 4.6 A-B-C-D 41 38 0.3 50 38 - 301-¼” 41.6 x 31.6 5.0 300 plus 20 8 170.1 0.81 66 12.8 8.8 A-B-C-D 52 48 0.3 50 38 - 301-½” 47.8 x 38.2 4.8 300 plus 20 10 93.8 0.91 75 18.4 7.6 A-B-C-D 57 54 0.3 50 38 - 30

2” 59.5 x 51.5 HIR 4.0 200-300 20 15 25.6 0.99 112 17.8 10.2 A-B-C-D 68 65 0.3 60 45 - 301-¾” 50 x 45.2 HIR 2.4 100-200 12.5 21 8.8 0.52 86 A-E 55 63 0.3 55

2” 63 x 58.2 2.4 75-100 10 26 4.2 0.64 129 A-E 68 76 0.3 652” 63 x 57 3.0 100-200 12.5 21 8.5 0.79 129 10.4 A-B-E 69 65 78 0.3 65 45

2-½” 75 x 69.2 2.9 75-100 10 26 4.4 0.92 188 A-E 81 89 0.3 80 452-½” 75 x 67.8 3.6 100-200 12.5 21 8.8 1.13 188 18.5 A-B 82 80 0.3 80 45

3” 90 x 83 3.5 75-100 10 26 4.5 1.33 254 20.0 A-B 97 93 0.3 85 453” 90 x 81.4 4.3 100-200 12.5 21 8.6 1.62 254 30.1 12.5 A-B-C 99 94 0.3 85 453” 90 x 76.6 6.7 200-300 20 13 35.6 2.46 254 56.3 25.0 A-B-C 103 99 0.4 85 45

3-½” 110 x 103.6 3.2 50-75 7.5 34 1.8 1.50 345 23.1 A-B-E 117 114 122 0.3 100 453-½” 110 x 101.6 4.2 75-100 10 26 4.3 1.96 345 35.9 17.7 A-B-C-E 119 116 125 0.3 100 453-½” 110 x 99.4 5.3 100-200 12.5 21 8.9 2.44 345 51.2 25.1 A-B-C-E 121 118 129 0.3 100 45

4” 113.8 x 103.8 5.0 100-200 12.5 23 6.6 2.39 375 41.2 21.7 A-B-C 124 119 0.3 105 454” 113 x 96.6 8.2 200-300 16 14 32.0 3.78 375 85.7 39.4 A-B-C 130 125 0.4 105 45

4-½” 125 x 117.6 3.7 50-75 7.5 34 1.9 1.97 451 33.0 A-B-E 133 130 145 0.3 115 454-½” 125 x 115.4 4.8 75-100 10 26 4.4 2.54 451 50.7 23.3 A-B-C 135 132 0.3 115 454-½” 125 x 113 6.0 100-200 12.5 21 8.8 3.14 451 69.6 31.7 A-B-C 137 135 0.3 115 454-½” 125 x 110 7.5 200-300 16 17 17.8 3.88 451 92.7 51.6 A-B-C 140 138 0.4 115 45

5” 140 x 129.2 5.4 75-100 10 26 4.4 3.20 528 44.5 39.9 A-B-C 151 146 0.3 120 605” 140 x 126.6 6.7 100-200 12.5 21 8.7 3.93 528 67.4 20.2 A-B-C 154 147 0.4 120 605” 140 x 120 10.0 200-300 16 14 31.1 5.72 528 123.7 56.0 A-B-C 160 150 0.4 120 60

5-½” 160 x 150.6 4.7 50-75 7.5 34 1.9 3.21 754 36.8 A-B-E 170 165 182 0.4 150 605-½” 160 x 147.6 6.2 75-100 10 26 4.5 4.20 754 67.7 44.4 A-B-C-E 173 167 184 0.4 150 605-½” 160 x 144.6 7.7 100-200 12.5 21 8.8 5.16 754 97.9 44.5 A-B-C 176 168 0.4 150 60

6” 165 x 155 5.0 50-75 7.5 33 2.1 3.52 777 44.4 A-B 175 167 0.4 150 606” 165 x 150 7.5 100-200 12.5 22 7.4 5.20 777 97.1 44.1 A-B-C 180 172 0.4 150 606” 165 x 146 9.5 200-300 16 17 15.6 6.50 777 138.0 63.8 A-B-C 184 178 0.4 150 60

Standard slot width range showing average percentage open area.

Connections

0.30 mm 4%0.40 mm 5%0.50 mm 6%0.75 mm 9%1.00 mm 11%

1.25 mm 13%

1.50 mm 16%

2.00 mm 20%

3.00 mm 25%

4.00 mm 28%

Available with Horizontal slots to DIN 4925 on request.*** High impact resistant

***

***

10

Standard PVC Casing & Vertical Slot Screen 6½”- 24” (180 mm-630 mm)

11

* Recommended installation depths result from practical experience, and, depending on ground formations, deeper installations are possible. We can be contacted for related advice at all times.

D

B**

C**

Glue connectionspigot and socket

Trapezoidal thread connectionwith socket

BSP thread connectionwith socket

Trapezoidal thread connectionflush butt jointed

Coarse thread (rope type)connection

A

B

D

C

E

Inch Outside x inside diameter in mm

Wall thickness

in mm

Indication of installation depth in m*

PN SDR Collapse resistance

in bar (kp/cm2)

Weight approx. kg/mt

Joint stripping Load A

connection in kN

Joint stripping load B

connection in kN

Joint stripping load C

connection in kN

Type of connec-

tion

OD over connection

type A

OD over connection type B+D

OD over connection

type E

Screen minimum slotsize in mm

A-socket length in

mm

B+C+D thread lengthsin mm

6½” 180 x 166 7.0 75-100 10 26 4.5 5.33 848 95.1 59.4 A-B-C 194 188 0.4 150 706½” 180 x 162.8 8.6 100-200 12.5 21 8.6 6.49 848 131.4 60.5 A-B-C 198 189 0.4 150 70

7” 200 x 190.2 4.9 0-50 6.3 41 1.1 4.21 1005 A-E 210 204 223 0.4 1607” 200 x 188.2 5.9 50-75 7.5 34 1.9 5.04 1005 77.8 A-B-E 212 205 225 0.4 160 707” 200 x 184.6 7.7 75-100 10 26 4.4 6.52 1005 124.2 56.7 A-B-C-E 216 207 228 0.4 160 707” 200 x 180.8 9.6 100-200 12.5 21 8.8 8.04 1005 172.1 74.8 A-B-C 219 210 0.4 160 708” 225 x 211.8 6.6 50-75 7.5 34 1.9 6.34 1201 108.5 A-B 238 232 0.4 170 858” 225 x 207.6 8.7 75-100 10 26 4.4 8.28 1201 169.4 78.4 A-B-C 243 234 0.4 170 858” 225 x 203.6 10.7 100-200 12.5 21 8.5 10.09 1201 226.2 101.5 A-B-C 247 235 0.4 170 858” 225 x 199 13.0 200-300 16 17 15.8 12.13 1201 288.0 114.0 A-B-C 251 240 0.4 170 859” 250 x 237.6 6.2 0-50 6.3 40 1.1 6.65 1335 A-E 263 255 275 0.4 1709” 250 x 235.4 7.3 50-75 7.5 34 1.9 7.80 1335 144.1 A-B-E 265 257 277 0.4 170 859” 250 x 230.8 9.6 75-100 10 26 4.4 10.15 1335 218.1 95.2 A-B-C-E 269 262 282 0.4 170 859” 250 x 226.2 11.9 100-200 12.5 21 8.5 12.47 1335 290.7 135.3 A-B-C 274 264 0.4 170 85

10” 280 x 255 12.5 100-200 12.5 22 7.0 14.72 1495 247.7 128.5 A-B-C 305 293 0.4 170 9010” 280 x 248 16.0 200-300 16 18 15.2 18.60 1495 369.3 187.2 A-B-C 312 300 0.5 170 9011” 315 x 299.6 7.7 0-50 6.3 41 1.1 10.41 1780 A-E 331 335 0.4 18011” 315 x 296.6 9.2 50-75 7.5 34 1.9 12.38 1780 178.7 A-B-E 334 325 337 0.4 180 9011” 315 x 290.8 12.1 75-100 10 26 4.4 16.13 1780 296.4 179.4 A-B-C 339 329 0.4 180 9011” 315 x 285 15.0 100-200 12.5 21 8.5 19.80 1780 411.7 235.0 A-B-C 345 333 0.5 180 9012” 330 x 301 14.5 100-200 12.5 23 6.6 20.13 2072 356.8 194.1 A-B-C 359 346 0.5 200 9012” 330 x 292 19.0 200-300 16 17 15.6 26.00 2072 541.2 282.8 A-B-C 368 355 0.5 200 9013” 355 x 321.2 16.9 100-200 12.5 21 8.5 25.14 2229 552.3 271.2 A-B-C 389 379 0.5 200 9014” 400 x 376.6 11.7 50-75 7.5 34 1.9 19.99 2763 365.3 A-B 424 416 0.4 220 10014” 400 x 369.2 15.3 75-100 10 26 4.3 25.90 2763 550.7 276.8 A-B-C 431 419 0.5 220 10014” 400 x 361.8 19.1 100-200 12.5 21 8.6 32.01 2763 737.6 341.0 A-B-C 439 425 0.5 220 10016” 450 x 411 19.5 100-200 12.5 23 6.4 36.94 3109 662.2 410.1 A-B-C 489 476 0.5 220 11518” 500 x 475.4 12.3 0-50 6.3 41 1.1 26.41 3140 442.8 A-B 525 512 0.5 200 11518” 500 x 470.8 14.6 50-75 7.5 34 1.9 31.18 3140 593.2 305.4 A-B-C 530 520 0.5 200 11518” 500 x 461.8 19.1 75-100 10 26 4.3 40.41 3140 895.8 469.4 A-B-C 539 528 0.5 200 11524” 630 x 599.2 15.4 0-50 6.3 41 1.1 41.65 4748 413.3 A-C 661 0.5 240 12524” 630 x 593.2 18.4 50-75 7.5 34 1.9 49.52 4748 534.6 A-C 667 0.5 240

BOODE Casing - Relationship between Casing Diameter, Casing Wall thickness and

Collapse Resistance

Casing outside Diameter (mm)

32 40 50 63 75 90 110 113 125 140 160 165 180 200 225 250 280 315 330 335 400 450 500 630

WALL THICKNESS COLLAPSE RESISTANCE

Cas

ing

Wal

l th

ickn

ess

(mm

)

24

22

20

18

16

14

12

10

8

6

4

2

0

60

55

50

45

40

35

30

25

20

15

10

5

0

Cas

ing

co

llap

se R

esis

tan

ce P

ress

ure

in b

ar (

kp/c

m2 )

Standard slot width range showing average percentage open area.

Connections

0.30 mm 4%0.40 mm 5%0.50 mm 6%0.75 mm 9%1.00 mm 11%

1.25 mm 13%

1.50 mm 16%

2.00 mm 20%

3.00 mm 25%

4.00 mm 28%

** Optional Rubber seal

125

Available with Horizontal slots to DIN 4925 on request.

12

Boode CSS™ - Continuous Slot PVC Screen

Average percentage of open area*

A superior PVC screen to that of Standard Type Screen with exceptionally high percentage open areas which has been specifically designed for water wells.

Added advantages:• advanced solid construction suitable for installation to 400 metres.• completely corrosion free eliminating electrolysis reaction.• screens are provided with C-Type female flush butt joints with male adaptor.• a maximum open area of 50 percent is offered facilitating high flow capacity and low inlet resistance resulting in extended well life.• the hydraulic advantages afforded by CSS make it also suitable for low yield water bearing strata.• lightweight easy to handle.• competitively priced.

13

Boode BGP™ - Gravel Coated PVC Screen

BGP gravel coated PVC screens are innovations of BOODE b.v. for the installation in water wells in areas where artificial gravel packs are not available but are necessary for sand free water supply. BGP screens have a gravel coat of 10 mm to 23 mm thickness giving a relatively small outside diameter whilst still retaining the advantage of a gravel pack.The gravel coating is of well rounded correctly sieved and clean quartz gravel (99.1% SiO2). A highly rated waterproof bonding material is used to adhere the gravel to the screen, with the proportion of adhesive to gravel being very low, ensuring that the individual gravel grains are joined at their smallest contact points. There is virtually no permeability loss compared with normal gravel packing as the adhesive at the contact points of gravel grains takes the place of normal capillary retention.

Advantages of BOODE BGP Screens:• Gravel coat uniform and same thickness over full length of screen, ensuring 100% coverage.• BOODE BGP is totally non-corrodable.• Highly recommended for rehabilitating existing damaged and corroded wells.• Smaller diameter borehole required.• Prevents borehole collapse.• Collapse resistance increased

Screen Outside Gravel Length Approx. outside diam over thickness weight diam* gravel

d1 d2 s1 mm/inch mm mm

m kg/m

33 (1") 54 10.5 1 2.5 42 (11/4") 65 12 1 3.5 48 (11/2") 73 12.5 1 4.0 50 (11/2") 73 11.5 1 3.5 60 (2") 91 15.5 1 6 90 (3") 120 15 1 8 110 (31/2") 144 15.5 1 10.5 113 (4") 144 14 1 11.5 125 (41/2") 156 15.5 1 - 2 13.5 160 (51/2") 190 15 1 - 2 - 2.5 16 165 (6") 191 12.5 1 - 2 - 2.5 15 200 (7") 232 16 1 - 2 17.5 225 (8") 256 15.5 1 - 2 24.5 250 (9") 283 16.5 1 - 2 - 2.5 29.5 280 (10") 311 15.5 1 - 2 35 315 (11") 361 23 1 - 2 50 330 (12") 361 15.5 1 - 2 44

* for diameters and wall thicknesses please refer to page nos. 8-11

WallThickness mm

Insidediam mm

Weight per m kg

Type ofconnection

Diameter overconnection

Tensilestrength kg

Possibleslotwidth mm

2.53

4.56

6.57.5

7

445872

104116139172

0.82 1.39 2.10 3.54 4.69 7 7.56

ACCCCCC

617590

125140165200

650125014502600310049006200

0.3-30.3-30.3-30.4-30.4-30.5-30.6-3

* With external ribs. Lengths: As required, maximum 3mt. CSS™ screen is made from high impact resistant uPVC.

56 75 90 125* 140 165 200

Outsidediam mm

4%5%

6%

9%11%

13%

16%

20%

25%

28%

Standard Slot Screen Continuous Slot PVC Screen

0.30 mm0.40 mm

0.50 mm

0.75 mm

1.00 mm

1.25 mm

1.50 mm

2.00 mm

3.00 mm

6%8%

10%

15%

20%

25%

30%

40%

50%

* See also page 8-11

0.30 mm0.40 mm

0.50 mm

0.75 mm1.00 mm

1.25 mm

1.50 mm

2.00 mm

3.00 mm

4.00 mm

CSS slotstandard slot

14

BoodePac™ - Dual Wall PVC Well Screen

“BoodePac” Is manufactured with an inner and outer concentrically aligned PVC screens, the inner screen being secured to the outer screen by means of upper and lower retaining rings. The required filter media being introduced into the annulus between the two screens, which is sealed, in the form of a quartz gravel of granular size to customer requirements. Variable sizes can be installed in the same BoodePac screen length to suit varying stratas encountered during drilling.BoodePac can be supplied with outside diameters from 32mm to 400mm.

Filter media can be:A. Factory pre-packedB. Packed on site by contractor

Technical Data:• Material: uPVC Approved for potable water• Colour:Boode Blue• Tensile Strength: 55Nmm/2 (550 kp/cm2)• Elasticity Coefficient: 3000 N/mm2

• Chemical resistance: Non Corrosive in aggressive ground water and regenerative chemicals.

Physical Data:• Two concentrically aligned PVC Standard Type Screens• Interface for filter media,factory or

contractor packed• Upper and lower centralising retaining rings• B or C-Type connections with trapezoidal threads• Annular thickness of filter media approx. 2 -2.5cms

BOODEPAC Advantages:• Cost effective a) Smaller borehole diameter required• Cost effective b) reduction in actual screen requirement, producing optimum abstraction from smaller aquifers• Increased collapse resistance • Higher transmissibility of water• Can be used in conjunction with Boode Standard Casing Systems• Ease of installation• recommended for sand blinded wells• re-Lining existing wells to prevent well corrosion or silting• Ensures optimum well development• reduces to minimum encrustation phenomena and clogging of filter pack• Enhanced hydraulic performance

’’BoodePac’’ - Better by Design

15

HDPE Screen & Casing

Boode HDPE casing and screens have

a proven long term installation history.

Outside Inside Wall Base Pressure Class Weight Minimum Thread Diameter Diameter Thickness Material PN SDR per slotsize length in mm in mm in mm in mm PE metre in mm connection type C

32.2* 25.0 3.6 80 16 9 0.33 0.30 38

40 * 35.6 3.7 80 12.5 11 0.43 0.30 38

50 * 40.8 4.6 80 12.5 11 0.67 0.30 38

63 * 51.4 5.8 80 12.5 11 1.04 0.40 45

75 61.4 6.8 100 16 11 1.47 0.50 45

90 79.2 5.4 100 10 17 1.46 0.50 45

110 96.8 6.6 100 10 17 2.17 0.50 45

125 110.2 7.4 100 10 17 2.77 0.50 45

140 123.4 8.3 100 10 17 3.48 0.60 60

160 141.0 9.5 100 10 17 4.55 0.60 60

200 176.2 11.9 100 10 17 7.10 0.60 70

250 220.4 14.8 100 10 17 10.60 0.75 85

315 277.6 18.7 100 10 17 16.70 1.00 90

* Natural (white) HDPE: Carbon free for environmental installations.Connections: C-Type flush butt male & female with trapezoidal threads.Lengths: As required, maximum 6mts.Slot configuration: Horizontal.

Mechanical and physical PVC HDPEproperties

Tensile strength 55 N/mm2 (550 kp/cm2) 22 N/mm2 (220 kp/cm2)

7823 lbf/in2 3129 lbf/in2

Elasticity coefficient 3000 N/mm2 (30000 kp/cm2) 800 N/mm2 (8000 kp/cm2)

426690 lbf/in2 113800 lbf/in2

Specific gravity 1.4 g/cm3 0.95 g/cm3

78.5 lb/ft3 53.2 lb/ft3

Vicat softening temperature 80°C 125°C

176°F 257°F

Impact strength at 20°C/68°F rigid PVC

approx. 5 Kj/m2 (cmkp/cm2) >20 Kj/m2 (cmkp/cm2)

High impact resistant PVC

approx. 15 Kj/m2 (cmkp/cm2)

Colour BOODE blue - Natural (white)

- BlackChemical resistance at 20°C Non corrodible in aggressive groundwater and regenerative chemicals. For full details of the BOODE chemical resistance chart: visit www.boode.com.

Technical Data for PVC and HDPE Screen and Casing Systems

Boode productsare manufactured to quality

assurance standard ISO 9001

16 17

Soft top capGlue-thread adaptor End capWooden bottom plug(non swelling)

End plugThreaded plugThreaded cap

Threaded top capRubber conical plug

Flip top cap

Threaded bottom plug

Thread protection capCentraliser

Wellhead Hoisting device

Aluminiumlockable top cap

Glue-thread adaptor male Top cap with valve

Glue reducer Double glue connection Glue-thread adaptor female

Threaded reducer

Unequal tee 45º

Unequal tee 90º

Elbow 45º Elbow 90º

Cross

Blue Gel Lubricant PVC glue 5L

PVC cleaner

Steel speedclamps

Bend 90ºBend 45º

Geotextile wrap

Flange + Flange adaptor

Strap wrench

Lockable galvanized steel

security cover

HDPE service box 100 x 205 mm

HDPE service box 125 mm ø Borehole cover plate 120 mm ø stainless steel Borehole cover plate 120 mm ø HDPE Fitting tile 30 x 30 cmfor service box 140 mm

HDPE service box steel cover 340 x 240 mmHDPE service box 140 mm HDPE service box steel cover 140 mm

Ancillary Equipment

HDPE service box lockable 140 mm

Rubber O-ring

PVC glue 1L

18 19

The best drillers and most demanding customers in the world know the quality

of Johnson products. Backed by more than 100 years of experience, they have been

the world leader in stainless steel water well screens since 1904.

Boode – Official Retailer for Baroid IDP

The development of the continuous-slot profile wire technology in the early 1930s revolutionized the industry, and quickly became the standard for well screens. Today, operators continue to drill deeper & into more challenging formations & this revolutionary technology is being continuously advanced and improved upon, providing the best well screens for municipal, industrial, commercial, agricultural, domestic and environmental applications.

Along with the acclaimed V-Wire™ Rodbased Screens Johnson’s provide the following:-

• ZSM connection riser Pipes • Muni-Pak™ Pre-packed Screens• Pipe Based Screens• Punch & Bridge Slotted Screens• Surface treatments• Extensive technical support Since the 1950s and our beginnings in the water well drilling

industry, products and services have been expanded to include all types of drilling. Baroid Industrial Drilling Products now supply a comprehensive line of products specifically engineered to optimize performance and end-user costs for:

• Drilling• Grouting• Plugging• Abandonment• Well rehabilitation and development

Backed by the strength of Halliburton’s worldwide distribution system and Baroid Industrial Drilling Products retailer networks, extensive quality control from mine site to the package, and a dedicated research and development laboratory, Baroid Industrial Drilling Products is a manufacturer and supplier dedicated to surpassing customers’ needs. The comprehensive Baroid IDP product line, coupled with the concept of Engineered Fluid Solutions for each and every drilling situation, guarantees improved drilling performance and superior expertise in well site service.

Baroid Industrial Drilling Products, a Product Service Line of Halliburton, is a worldwide

network of sales and service engineers, laboratory scientists, and support personnel

dedicated to servicing all facets of the industrial drilling industries.

Boode – Official Agents for

Johnson Screens can be installed with Boode PVC well casing

0.1 - 0.6

0.2 - 0.8

0.3 - 1.25

0.4 - 2

0.5 - 3

0.6 - 1.2

1.0 - 1.8

1.6 - 2.5

2 - 3.5

3 - 5

0.6 mm

0.75 mm

1 mm

1.5 mm

2 mm

20

Bentonite & Well Sealing Products

Bentonite is a hydrous aluminium silicate sup-plied in powder, granular of pellet form and is used to provide a tight seal between the well casing & borehole. Leak-proof annular seals are essential for water wells in order to prevent con-taminated surface water infiltrating into deeper groundwater supplies.

Functions:• Aquifer protection • Seal above gravel packs • Plug decommissioned boreholes • Seal around conductor pipe • Seal lost circulation zones • Shut off artesian flow

BENTONITE Technical data

Product Name Mikolit 00 Mikolit 300 Mikolit B Mikolit TS

Description:

Pellet Color:Pellet size:Package:Sinking speed in water:Density water saturated:Bulk density:Start of swelling:Swelling capacity:Permeability:Swelling pressure:γ-ray:Heat conductivity:

Moderately swelling sealing pellet for basic sealing

Brown/greyø ± 8 mm, length 7-12 mmBags 25 kg/ big bags 1000 kg21 m/min1.8 t/m³1.1 t/m³15 min.30-40% *<10ˉ¹º m/s3.5 kN/m²80-105 API

Powerful swelling sealling pellet, combining good sealing results with excellent application propertiesBrown/greyø ± 8 mm, length 7-12 mmBags 25 kg/ big bags 1000 kg21 m/min1.8 t/m³1.1 t/m³15 min.50-70% *<10ˉ¹¹ m/s9 kN/m²80-105 API

Extremely powerful swelling because pure bentonite is used

Green/greyø ± 8 mm, length 7-12 mmBags 25 kg/ big bags 1000 kg21 m/min1.7 - 1.8 t/m³1.0 t/m³12 min.180-200% *<10ˉ¹² m/s12-15 kN/m²55-85 API

A highly swelling clay product with a strongly enhanced thermal conductivityBlackø ± 6 mm, length 2-12 mmBags 25 kg21 m/min1.7 - 1.8 t/m³1.1 t/m³15 min.40-60% *<10ˉ¹¹ m/s9 kN/m²not tested2 W/m°K

Dorsilit Filter Media

The design of a good water well will inevitably include a filter medium which will ensure maxi-mum yield and long working life. Filter pack should be sand or gravel that is clean, well-rounded & uniform. It is placed in the annulus of the well between the borehole wall and the well screen to prevent formation material from entering the screen. It is critical to select a screen with the corres-ponding filter pack in relation to well strata analysis Dorsilit crystal silica sand (99.1% SiO2) is washed several times and therefore free from mire, humic substances and other contamination. After drying, the material is graded accurately packed, ensuring easy placing every time.

Desirable filter pack characteristics and derived advantages are:

Characteristic Advantage

Clean Little loss of material during development. Less development time.Well rounded grains Higher hydraulic conductivity and porosity. reduced drawdown. Higher yield. More effective development.Uniformity Less seperation during installation. Lower head loss through filter pack.

Selection chart

Soil analysis Filter gravel Slotwidth 21

In the Mikolit product range Mikolit 300 is the most widely used and is suitable for most applications.Once the spaces between the grains are full, a wide degree of swelling capacity remains, which means that, in case of breakdown, the clay layer will repair itself. As the introduced clay layer is not saturated with water it is therefore a fixed clay layer, Mikolit 300 has excellent sinking qualities due to the product being dust free and incorporates a retardant which slows down the swelling process. Mikolit 300, due to its composition, is recommended for use with temporary casing as it is designed to have virtually no adhesion to the well casing. For sealing, it is recommended to add a coarse sand layer between the gravel and the Mikolit 300 seal. Mikolit 300 can be used in saline water.

Quantity needed (kg/m) Bore-hole (mm)

Tube

/Cas

ing

(mm

)

300 100 125 150 200 250 300 400 500 600

0 9 13 19 34 54 77 137 215 309

50 6 11 17 32 51 75 135 212 307

100 5 11 26 45 69 129 206 300

125 6 21 40 64 124 201 295

160 12 32 55 115 193 287

200 19 43 103 180 175

250 24 84 161 255

315 52 129 224

400 77 172

500 94

Cebogel Bentonite products also available

22 23

Borehole Monitoring Equipment

Water Level Indicators:

Boresaver, as supplied by BOODE, is an approved range of specialist treatments for water supply systems contaminated with iron bacteria, iron oxide, manganese oxide and calcium carbonate deposits.

The treatments completely remove the deposits that build up and cause blockages in wells, pipes, pumps and any other water related equipment. Developed to achieve maximum flow capacity, the Boresaver range also improves water supply quality and extends the working life of pumping equipment and associated plant.

Safe and easy to use, the Boresaver treatments are biodegradable and environmentally friendly. They can be used without dismantling equipment and will not attack or deteriorate any materials inside the system.

Part of a systematic rehabilitation programme, the Boresaver treatments are one of the most effective ways of completely removing deposits and controlling iron bacteria contamination. The treatments are specially formulated chemical blends and are based on leading, independent research and supported by a range of case studies.

Developed over ten years ago by Aquabiotics Industrial and used in over fourteen countries worldwide, the Boresaver treatments are approved for use in potable water supplies. Our technical department can give you comprehensive advice on both the rehabilitation and maintenance of water supply systems and how to use the Boresaver treatments.

www.boresaver.eu

Easy to use

Product Range:

Boresaver Ultra CBoresaver Ultra C ProBoresaver IKL ProBoresaver Liquid Enhancer

Problem:

Iron oxideIron bacteriaManganese oxideCalcium carbonate deposits

Applications:

Water Supply WellsGeothermalPipelinesquarryingMiningLeachate pumpingIrrigationremediation

Well Rehabilitation Treatment

After treatmentBefore treatment

• Dual wide angle colour camera, side and down view

• Digital on screen depth counter• 7” Colour LCD mounted monitor located in

control case• Fully Integrated control unit with winch and

camera controls• PAL video interface• 18 Super bright Water Clear LED Down view

lights• 32 Super Bright Water Clear LED Side view

camera• Powered reel with adjustable speed• 1000ft (300m) Kevlar reinforced cable (340 kg Breaking strength)

• Slip ring technology 360’ dual rotation (side facing camera)• 12v Portable DVD• 2 wheeled cart• Portable 12v battery and charger (min 4 hr. run time)• Crush proof durable & portable control case• 3m surplus cable (reel to control case) to allow use inside vehicle during survey• 36” extendable boom for positioning over

borehole• Camera Centering bands • LCD battery Voltage monitor

OPTIONS• ‘Trilight’ LED lighting carrier for additional lighting in larger diameter wells• Increased size of cable for wells to 400m

Laval downhole CCTV Camera

Type BFK – Audio & Visual Alert

Water level indicator with PVC rounded cable, four-conductors,

with Kevlar core and external protection sheath (diam. 4.7 mm).

• Graduation at 1 centimetre intervals (directly printed on the cable itself and protected by external anti-scratching transparent polyurethane• Probe diameter: 10 mm• Water level indication by both acoustic signal and led• Borehole depth measure available on request• Available lengths: 30 mt, 50 mt, 100 mt, 150 mt, 200 mt, 300 mt, 400 mt and 500 mt.

Type KLL – Audio & Visual Alert

• Flat Tape Cable: Polyethylene with 2 steel cores (anticorrosive), metric scale tape, Meter figures printed in red, centimetres in black.• Probe: Made of corrosion resistant material. 14 mm, 175 mm long with build in electrode. (Special version available with 10 mm, 320 mm long probe)• Frame & Cable drum: steel• Power Supply: 3V DC, 2 x Standard 1.5V “C” Batteries• Accuracy: >1 cm (100 mt unit)• Available lengths: 30 mt, 50 mt, 100 mt, 150 mt, 200 mt and 300 mt.

Contact-Meter Type KLL-Mini Audio & Visual Alert

• Cable: 2-core flat cable, polyethylene with V2a-leads, black cm-divison with dm-figures and red m-marking• Made of non-corrosive material, 14 mm Ø, 120 mm long, with build-in electrode• Drum: plastic, impact and temperature resistant• Power supply: 3 VDC, 2 standard batteries 1.5V (baby cells) Please use leakproofed batteries only!• Accuracy: < 1 cm• Measuring range: 10 m• Dimension/weight: Ø140 mm / 550g

24 25

QUALITY MATTERS

www.fairwater.org | www.bluepump.nl

Applications

The company’s policy is one of continual research and development which is an ongoing process, the company therefore reserves the right to amend prices, designs and material specifications

without prior notice. The benefits for any such amendments being for the end user.

• Waterwells – domestic, industrial, agricultural & municipal & humanitarian• Construction dewatering - Civil projects, tunnelling• Irrigation• Site investigation• Groundwater recharge• Geothermal applications

Many people in Africa would be helped with a better hand pump and good service for maintenance. That is the reason why the FairWater Foundation has developed a new and innovative hand pump in cooperation with organisations like Oxfam. This pump is extremely robust and durable and will continue to work properly in deep wells. The service for installation and maintenances is provided by a local network of service organisations.

The BluePump is not the cheapest hand pump to purchase, but it offers the durability that is most important for the user and that is what it is all about. Besides being more durable, the BluePump is easier to use by women and children and supplies more water than comparable pumps.

The design of the BluePump is surprisingly simple. All parts are made of high quality and durable materials. The core of the BluePump is a stainless steel pump part with a double foot valve which will continue to function without problems, even under the pressure of a 100 m water column. The whole is free of maintenance. Under normal circumstances the BluePump requires no spare parts for 10 to 15 years. The BluePump is therefore becoming increasingly more popular in many African countries. The BluePump is supplied by BOODE Inc. or through any of the many regional BluePump dealers in Africa which can also provide the installing and the associated service.

THE BLUEPUMP IS THE MOST DURABLE HAND PUMP FOR AFRICA AND IS AVAILABLE WORLDWIDE THROUGH BOODE Inc.

A hand pump is a relatively cheap way to pump water from a well. That is why over 350,000 hand

pumps have been constructed in Africa. However, it turns out that the maintenance of a simple hand

pump in Africa gives a lot of problems. Because of this more than 50% of the constructed hand pumps

are no longer in use. Especially in areas where the ground water level is very deep there are problems

with maintenance and pumps also break regularly.

BluePumps distributors in:

The Netherlands, UK, Angola, Burkina Faso,

Cameroun, Congo, DRC, Central African

Republic, Cote d’Ivoir, Ethiopia, Niger,

Malawi, Mozambique, The Gambia, Kenya,

South Africa, Tanzania, Uganda, Swaziland.

Suitable up to 100 mt. depth

The FairWater BluePump®

The FairWater BluePump®

26 27

Geothermal Systems

Underground Thermal Energy Storage

Type: open systems

BOODE bv is a market leader in the supply of KIWA, DWi and WrAS approved PVC well casing and screen systems in relation to the installation of Underground Thermal Energy Storage (UTES), also referred to as Aquifer Thermal Energy Storage (ATES). UTES and ATES systems commenced in The Netherlands in the early 1980’s, and, since then, new completed systems number in the many hundreds.These renewable systems provide heating in winter and cooling in summer to buildings, through heat exchangers, via the extraction of groundwater from boreholes drilled into natural underground layers where the heat and cold are stored. The installed systems vary in depth from 30mts to 200mts+ in suitable geological formations, and can contribute to savings of up to 75% on current heating & cooling bills

Advantages:

• renewable energy source

• Carbon emissions reduced by up to 60%

• Low risk proven technology

• Cost effective

• Payback achievable in less than 5 years

Environmental Responsibility

PVC is a low carbon material, much lower than many alternatives and displaysastonishing longevity, even in the harshest environments. PVC has numerous benefits and offers a reliable and low impact solution to water abstraction and movement.

Carbon impact of PVCOne measure of a material’s environmental impact is its carbon footprint. Carbon footprinting is a complex exercise and takes into account the embedded carbon impact of the materials (the impact of producing the

raw material in the first place), the carbon impact of processing the materials, and the impact of disposal/recycling. This is expressed in Kgs or tonnes of carbon dioxide equivalent (CO2e)..

Transport impactBoode’s well screen & casing materials are manufactured in Holland (transported by road and sea for the UK market). Consequently, the environmental impact associated with transport for product supplied from

Holland is significantly lower than material sourced from the Far East or Indian Sub-Continent. The table below shows Kg CO2e per tonne delivered from a range of locations (Shanghai, Mumbai, and Rotterdam).

Material Carbon impact per Kg (material & processing)

Boode PVC 2.816

Stainless steel (304L) 5.341

Kg/tonneCO2 China CO2 India CO2 Holland (for UK) CO2 Holland (Ex-Works)

325.02 198.81 23.02 0.00

Longevity of PVCOne of the key attributes of PVC is its longevity, and more importantly its ability to provide longevity across a massively wide range of differing environments.Key to this is PVC’s resistance to oxidising substances. The same is not true of other well materials. Consequently, the life-cycle of PVC in the field is in the region of 100 years minimum. If alternative materials are used in areas with high levels of corrosivity they may only have an operation life of a couple of years.

Production wasteBoode recover and recycle a minimum of 95% of all production waste from their production in a closed loop recycling process.

3 Steps to a sustainable future:-

Reduce your water footprint

Utilise Renewables

Reduce your carbon footprint

Heat demand

AqUIFER

AqUIFER

Cold demand

All Boode PVC products can be recycled and we are proud to support the Recovinyl scheme.Find your nearest certified Recovinyl recycler at www.recovinyl.com

BOODE b.v.Nijverheidscentrum 3NL 2761 JP ZevenhuizenThe NetherlandsT. +31 180 63 27 44F. +31 180 63 30 90E. info@boode.com

Boode UK Ltd.Brindley road, Dodwells Bridge,Hinckley, Leics. LE10 3ByUnited KingdomT. +44 (0)1455 61 13 17F. +44 (0)1455 61 09 71E. info@boodeuk.com

Proven quality worldwidewww.boode.com

• STANDArD rANGE PVC CASING & SCrEEN

• BGP™ GrAVEL COATED PVC SCrEEN

• CSS™ CONTINUOUS SLOT PVC SCrEEN

• BOODEPAC™ DUAL WALL PVC SCrEEN

• HDPE CASING & SCrEEN

• WELL POINTS

• FULL rANGE OF PVC ACCESSOrIES

• DOrSILIT FILTEr MEDIA

• JOHNSON STAINLESS STEEL SCrEEN,

CASING & ZSM rISEr PIPES

• BArOID IDP DrILLING FLUIDS & ADDITIVES

• BENTONITE SEALING PrODUCTS

• ANCILLAry EqUIPMENT

• DrILLING EqUIPMENT

• HANDPUMPS

• BOrESAVEr

• WATEr LEVEL DIPMETErS

• BOrEHOLE CCTV

• TAILOr MADE PACKAGES