Post Buy Requirement
Wellcare Oil Tools Private Limited
Bhiwadi, Rajasthan, India
gstGST : 08AABCW0719L1Z6 Verified Add Review

Our Products

  1. Industrial & Engineering Products 9 Products available
  2. Bushings 3 Products available
  3. Coupling 5 Products available
  4. Laboratory Apparatus 3 Products available
  5. Gifts, Handicrafts & Artifacts 6 Products available
  6. Hand Tool 4 Products available
  7. Shoes 13 Products available
  8. Downhole Equipment 6 Products available
  9. Construction Machinery & Equipment 6 Products available
  10. Others 114 Products available

Construction Machinery & Equipment #4607790

Slip On Welded Semi Rigid Bow Spring Centralizer

  • Brand Name Wellcare
  • Size 4.5"-20"
  • Condition New
  • Customization Yes
  • Model WC-SWSBC

Available in the size range 4 to 20, this device ensures highefficiency in casing jobs on deviated and horizontal wells. Combiningthe features of a standard spring bow and rigid centralizer, it hasbows manufactured from alloy steel tempered for exact hardness anda non- weld design to eliminate brittle spots. The spring characteristicsof its double crested profile permit compression to facilitate movementthrough tight spot.These centralizers are available in threee catagories i.e. Hinged Nonweld, Hinged welded & Slip on welded.Its Performance achieves the highest restoring forces and usually zeroto minimum starting force and used in most types of well designs , Mostsuited for horizontal and directional well designs.

View Complete Details

Slip On Welded Bow Spring Turbolizer

  • Brand Name Wellcare
  • Size 4.5"-20"
  • Condition New
  • Customization New

Centralizers with turbo-fins attached to each bow spring called asTurbolizer are designed to create localized turbulent fluid flow at thepoint of instalation. The turbofins divert the fluid flow to more evenlydistributing the cement around the casing. All welded and nonweldedbowspring centralizers are available in the most common hole/casingsizes.Available in the size range from 4 1/2 up to 20, this sturdy deviceinduces a spiral flow pattern in the slurry thereby increasingdisplacement efficiency. Fitted with specially designed multidirectionturbofins, made of alloy steel in annealed state. This deviceimproves the cleaning action of drilling fluids, distributes the cementslurry into wellbore irregularities and minimizes channeling.

View Complete Details

Semi-Rigid Bow Spring Centralizer

  • Size 4 ½ ” to 20”
  • Condition New
  • Material Metal
  • Model WC-HNSRC
  • Product No. WC-40401
  • Surface Finished Polished

Available in the size range 4 ½ ” to 20”, this device ensures high efficiency in casing jobs on deviated and horizontal wells. Combining the features of a standard spring bow and rigid centralizer, it has bows manufactured from alloy steel tempered for exact hardness and a non- weld design to eliminate brittle spots. The spring characteristics of its double crested profile permit compression to facilitate movement through tight spot. These centralizers are available in threee catagories i.e. Hinged Non weld, Hinged welded & Slip on welded. Its Performance achieves the highest restoring forces and usually zero to minimum starting force and used in most types of well designs , Most suited for horizontal and directional well designs.

View Complete Details

Bow Spring Turbolizers

  • Type Casing Centralizer
  • Material Carbon Steel
  • Application Casing pipe
  • Application Oilfield Cementing Tools
  • Size 4 1/2 '' - 20 ''
  • Processing Type Casting
  • Product name: Turbolizer centralizer
  • Model WC-HNBST
  • Product No. WC-40501

Centralizers with turbo-fins attached to each bow spring are designed to create localized turbulent fluid flow at the centralizer. The turbofins divert the fluid flow to more evenly distributing the cement around the casing. All welded and nonwelded bowspring centralizers are available in the most common hole/casing sizes. Available in the size range 4 1/2 ” to 20”, this sturdy non-weld device induces a spiral flow pattern in the slurry thereby increasing displacement efficiency. Fitted with specially designed multidirection turbo fins, made of alloy steel in annealed state. This device improves the cleaning action of drilling fluids, distributes the cement slurry into wellbore irregularities and minimizes channeling.

View Complete Details

Positive Bow Centralizers

  • Size 4 1/2 ” to 20”
  • Condition New
  • Product No. WC-40201
  • Model WC-HNPBC
  • Usage Industrial
  • Warranty 1 Year

As per design appearance, Positive bow centralizer is designed with positive steel channel bow which provides positive casing stand off. Positive centralizers are of three types hinged non weld , hinge welded, slip on welded. WELLCARE non weld positive centralizers are uniquely designed with flat bottom U profile with different depths permitting maximum fluid passage. The flat U profile is fitted in self locking retaining lips for firm and positive hold. These centralizers significantly reduce frictional drag while being used in deviated holes. They provide almost 100% standoff when run inside a cased hole. They are supplied 4-8mm less than the inside diameter of the casing or hole size in which the centralizer is to be run. The non weld design eliminates brittle spots, enhancing durability. WELLCARE positive centralizers are available in a size range of 4 ½ ” to 20”.

Technical Specifications

Casing Size in Hole Size in Nos. of Bows Maximum OD in Maximum Compressed OD in
4 – 1 / 2 6 4 6 – 1 / 8 5.41
6 – 1 / 4 4 6 – 3 / 8 5.41
6 – 1 / 2 4 6 – 5 / 8 5.41
7 – 7 / 8 4 8 5.41
5 6 – 1 / 2 4 6 – 5 / 8 5.92
6 – 3 / 4 4 6 – 7 / 8 5.92
7 – 7 / 8 4 8 5.92
8 – 1 / 2 4 8 – 5 / 8 5.92
5 – 1 / 2 7 – 7 / 8 4 8 6.43
8 – 1 / 2 4 8 – 5 / 8 6.43
8 – 3 / 4 4 8 – 7 / 8 6.43
9 – 7 / 8 4 10 6.43
6 – 5 / 8 8 – 1 / 2 4 8 – 5 / 8 7.57
7 8 – 1 / 2 4 8 – 5 / 8 7.97
8 – 3 / 4 4 8 – 7 / 8 7.97
9 – 7 / 8 4 10 7.97
7 – 5 / 8 9 – 7 / 8 4 10 8.6
8 – 5 / 8 10 – 5 / 8 6 10 – 3 / 4 9.58
11 – 5 / 8 6 11 – 3 / 4 9.58
12 – 1 / 4 6 12 – 3 / 4 9.58
9 – 5 / 8 11 – 5 / 8 6 11 – 3 / 4 10.63
12 – 1 / 4 6 12 – 3 / 8 10.63
13 – 3 / 4 6 14 10.63
9 – 7 / 8 11 – 5 / 8 6 12 10.88
12 – 1 / 4 6 12 – 3 / 4 10.88
13 – 3 / 4 6 14 – 1 / 4 10.88
10 – 3 / 4 12 – 1 / 4 6 12 – 3 / 4 11.81
13 – 3 / 4 6 14 – 1 / 4 11.81
14 – 3 / 4 6 15 – 1 / 4 11.81
11 – 3 /4 13 – 3 / 4 8 14 – 1 / 4 12.77
14 – 3 / 4 8 15 – 1 / 4 12.77
15 – 1 / 2 8 16 12.77
13-3/8 16 8 16-1/2 14.43
17-1/2 8 18 14.43
13-5/8 16 8 16-1/2 14.68
17-1/2 8 18 14.68
14 16 8 16-1/2 15.06
17-1/2 8 18 15.06
16 20 10 20-1/2 17.08
22 10 22-1/2 17.08
18-5/8 22 10 22-1/2 19.74
24 10 24-1/2 19.74
20 24 10 24-1/2 21.12
26 10 26-1/2 21.12

Model WC-HNPBC, WC-HWPBC & WC-SWPBC

Casing Size
In
Hole Size
In
Nos. Of Bows Maximum Od
In
4 – 1 / 2 6 – 1 / 8 4 5.787
8 – 1 / 2 4 8.141
5 8 – 1 / 2 4 8.141
5 – 7 / 8 4 5.512
5 – 1 / 2 8 – 1 / 2 4 8.228
9 – 5 / 8 4 9.094
6 – 5 / 8 8 – 1 / 2 4 8.228
9 – 5 / 8 4 9.37
7 8 – 1 / 2 4 8.189
9 – 5 / 8 4 9.213
7 – 5 / 8 9 – 5 / 8 4 9.291
8 – 1 / 2 4 8.15
8 – 5 / 8 9 – 5 / 8 4 9.252
12 – 1 / 4 4 12.008
9 – 5 / 8 12 – 1 / 4 6 11.87
13 – 3 / 8 6 13.012
9 – 7 / 8 12 – 1 / 4 6 11.909
13 – 3 / 8 6 12.736
10 – 3 / 4 12 – 1 / 4 8 12.008
13 – 3 / 8 8 13.031
11 – 3 / 4 12 – 1 / 4 8 11.89
13 – 3 / 8 8 13.012
13 – 1 / 2 8 13.128
13 – 3 / 8 16 8 15.669
17 – 1 / 2 8 17.126
13 – 5 / 8 16 8 15.689
17 – 1 / 2 8 17.067
14 16 8 15.768
17 – 1 / 2 8 16.909
16 18 – 1 / 2 8 18.227
20 8 19.625
18 – 5 /8 22 10 21.585
24 10 24.646
26 10 25.585
20 22 10 21.625
24 10 23.514
26 10 25.625



View Complete Details

Bow Spring Centralizers

  • Size 4 1/2 '' - 20 ''
  • Color Green
  • Material Carbon Steel
  • Application Downhole
  • Processing Type Casting
  • Structure Collar and bow
  • Blade Qty 4-12
  • Model WC-HNBSC
  • Product No. WC-40301

WELLCARE non welded bow centralizers are high in quality, developed to comply API 10D specifications for use in the most demanding  conditions. The non weld bow centralizers combine the highest restoring force with the lowest starting force. Premium quality bows which are made of special alloy steel with uniform hardness provide optimum performance. The bows with extended profile prevent their hitting against casing collars. The bows are available in a range to accommodate any well profile. Quality steel and non weld design ensure extra strong grip while integral hinges folded on the inside are connected by high strength locking pin for maximum structural robustness. WELLCARE non weld bow centralizers are used to position the casing in the centre of the wellbore in vertically, deviated as well as horizontal wells. High restoring force combined with low starting force is achieved with all bow heights. Their installation on the casing pipe is very convenient. It requires only the placement of the two assembled halves on the pipe and inserting the pin in the end collar hinge. The centralizer when unassembled makes a compact package, reducing the shipping cost. Assembly at site is conveniently done.

Welded bow-spring centralizers are available in two styles :

  • Slip-on and hinged. Slip-on centralizers are manufactured with solid end rings, requiring the centralizer to be slipped on the casing OD during installation. Hinged centralizers are manufactured in segments allowing the centralizer to be installed easily around the casing OD. Hinge pins hold the segments together during installation. All welded bow-spring centralizers are manufactured to API 10D Specification.
  • The welded construction provides for superior strength with destructive tensional force up to 3-4 times higher than nonweld centralizer products.
  • Designed to be installed over stop collars or casing couplings, this type is available in a wide range for casing and hole sizes.

Specification Guide

Casing Size in Hole Size in Nos. of Bows Maximum OD in Maximum Compressed OD In
4 – 1 / 2 6 4 7.165 5.409
6 – 1 / 4 4 7.165 5.409
6 – 1 / 2 4 7.638 5.409
7 – 7 / 8 4 9.055 5.409
5 6 – 1 / 2 4 7.677 5.921
6 – 3 / 4 4 7.677 5.921
7 – 7 / 8 4 9.094 5.921
8 – 1 / 2 4 10.118 5.921
5 – 1 / 2 7 – 7 / 8 4 9.134 6.433
8 – 1 / 2 4 10.079 6.433
8 – 3 / 4 4 10.079 6.433
9 – 7 / 8 4 11.102 6.433
6 – 5 / 8 8 – 1 / 2 4 9.331 7.575
7 8 – 1 / 2 4 9.724 7.969
8 – 3 / 4 4 10.197 7.969
9 – 7 / 8 4 11.614 7.969
7 – 5 / 8 9 – 7 / 8 4 10.846 8.598
8 – 5 / 8 10 – 5 / 8 6 11.831 9.583
11 – 5 / 8 6 13.799 9.583
12 – 1 / 4 6 14.272 9.583
9 – 5 / 8 11 – 5 / 8 6 13.819 10.626
12 – 1 / 4 6 14.291 10.626
13 – 3 / 4 6 15.315 10.626
9 – 7 / 8 11 – 5 / 8 6 13.602 10.882
12 – 1 / 4 6 14.075 10.882
13 – 3 / 4 6 15.098 10.882
10 – 3 / 4 12 – 1 / 4 6 13.583 11.807
13 – 3 / 4 6 15.472 11.807
14 – 3 / 4 6 16.024 11.807
11 – 3 /4 13 – 3 / 4 8 15.492 12.772
14 – 3 / 4 8 16.437 12.772
15 – 1 / 2 8 17.461 12.772
13-3/8 16 8 18.642 14.425
17-1/2 8 19.114 14.425
13-5/8 16 8 18.366 14.681
17-1/2 8 18.917 14.681
14 16 8 18.74 15.055
17-1/2 8 19.291 15.055
16 20 10 21.791 17.083
22 10 24.075 17.083
18-5/8 22 10 23.425 19.74
24 10 26.732 19.74
20 24 10 25.827 21.118
26 10 28.11 21.118

Model WC-HWBSC/WC-SWBSC

Casing Size in Hole Size in Nos. of Bow Maximum OD in Maximum Compressed OD in
4 – 1 / 2 6 4 7 – 1 / 8 5.25
6 – 1 / 4 4 7 – 1 / 8 5.25
6 – 1 / 2 4 7 – 5 / 8 5.25
7 – 7 / 8 4 9 – 1 / 8 5.25
5 6 – 1 / 2 4 7 – 5 / 8 5.76
6 – 3 / 4 4 7 – 7 / 8 5.76
7 – 7 / 8 4 9 – 1 / 8 5.76
8 – 1 / 2 4 10 – 1 / 8 5.76
5 – 1 / 2 7 – 7 / 8 4 9 – 1 / 8 6.28
8 – 1 / 2 4 10 – 1 / 4 6.28
8 – 3 / 4 4 10 – 1 / 4 6.28
9 – 7 / 8 4 11 – 1 / 4 6.28
6 – 5 / 8 8 – 1 / 2 4 9 – 5 / 8 7.42
7 8 – 1 / 2 4 9 – 5 / 8 7.81
8 – 3 / 4 4 10 – 1 / 8 7.81
9 – 7 / 8 4 11 – 5 / 8 7.81
7 – 5 / 8 9 – 7 / 8 4 10 – 3 / 4 8.44
8 – 5 / 8 10 – 5 / 8 6 11 – 3 / 4 9.43
11 – 5 / 8 6 13 – 7 / 8 9.43
12 – 1 / 4 6 14 – 1 / 4 9.43
9 – 5 / 8 11 – 5 / 8 6 13 – 7 / 8 10.47
12 – 1 / 4 6 14 – 1 / 4 10.47
13 – 3 / 4 6 15 – 3 / 4 10.47
9 – 7 / 8 11 – 5 / 8 6 13 – 5 / 8 10.72
12 – 1 / 4 6 14 – 1 / 4 10.72
13 – 3 / 4 6 15 – 1 / 4 10.72
10 – 3 / 4 12 – 1 / 4 6 13 – 3 / 8 11.65
13 – 3 / 4 6 15 – 5 / 8 11.65
14 – 3 / 4 6 16 – 3 / 8 11.65
11 – 3 /4 13 – 3 / 4 8 15 – 3 / 8 12.61
14 – 3 / 4 8 16 – 3 / 8 12.61
15 – 1 / 2 8 17 – 3 / 8 12.61
13-3/8 16 8 18 – 5 / 8 14.27
17-1/2 8 19 – 1 / 8 14.27
13-5/8 16 8 18 – 5 / 8 14.52
17-1/2 8 19 – 1 / 8 14.52
14 16 8 18 – 5 / 8 14.9
17-1/2 8 19 – 1 / 8 14.9
16 20 10 21 – 5 / 8 16.93
22 10 24 – 1 / 8 16.93
18-5/8 22 10 23 – 1 / 4 19.58
24 10 26 – 3 / 4 19.58
20 24 10 25 – 5 / 8 20.96
26 10 21 – 1 / 8 20.96
View Complete Details
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Contact Us

  • Mr. Ashish Kestwal (Wellcare Oil Tools Private Limited)
  • F-209/210, IId, Riico Industrial Area, Khushkhera, Bhiwadi, Rajasthan - 301707
  • Share us via
  • Call 08069182178 Ext. 499
Retailer of Construction Machinery & Equipment from Bhiwadi, Rajasthan by Wellcare Oil Tools Private Limited
Post Buy Requirement
Wellcare Oil Tools Private Limited
Bhiwadi, Rajasthan, India
gstGST : 08AABCW0719L1Z6 Verified Add Review

Our Products

  1. Hand Tool 4 Products available
  2. Shoes 13 Products available
  3. Downhole Equipment 6 Products available
  4. Construction Machinery & Equipment 6 Products available
  5. Plumbing & Pipe Fittings 7 Products available
  6. Hardware Fittings And Accessories 6 Products available
  7. Hangers 5 Products available
  8. Drill & Boring Equipments 12 Products available
  9. Industrial & Engineering Products 9 Products available
  10. Others 114 Products available

Construction Machinery & Equipment #4607790

Slip On Welded Semi Rigid Bow Spring Centralizer

  • Brand Name Wellcare
  • Size 4.5"-20"
  • Condition New
  • Customization Yes
  • Model WC-SWSBC

Available in the size range 4 to 20, this device ensures highefficiency in casing jobs on deviated and horizontal wells. Combiningthe features of a standard spring bow and rigid centralizer, it hasbows manufactured from alloy steel tempered for exact hardness anda non- weld design to eliminate brittle spots. The spring characteristicsof its double crested profile permit compression to facilitate movementthrough tight spot.These centralizers are available in threee catagories i.e. Hinged Nonweld, Hinged welded & Slip on welded.Its Performance achieves the highest restoring forces and usually zeroto minimum starting force and used in most types of well designs , Mostsuited for horizontal and directional well designs.

View Complete Details

Slip On Welded Bow Spring Turbolizer

  • Brand Name Wellcare
  • Size 4.5"-20"
  • Condition New
  • Customization New

Centralizers with turbo-fins attached to each bow spring called asTurbolizer are designed to create localized turbulent fluid flow at thepoint of instalation. The turbofins divert the fluid flow to more evenlydistributing the cement around the casing. All welded and nonweldedbowspring centralizers are available in the most common hole/casingsizes.Available in the size range from 4 1/2 up to 20, this sturdy deviceinduces a spiral flow pattern in the slurry thereby increasingdisplacement efficiency. Fitted with specially designed multidirectionturbofins, made of alloy steel in annealed state. This deviceimproves the cleaning action of drilling fluids, distributes the cementslurry into wellbore irregularities and minimizes channeling.

View Complete Details

Semi-Rigid Bow Spring Centralizer

  • Size 4 ½ ” to 20”
  • Condition New
  • Material Metal
  • Model WC-HNSRC
  • Product No. WC-40401
  • Surface Finished Polished

Available in the size range 4 ½ ” to 20”, this device ensures high efficiency in casing jobs on deviated and horizontal wells. Combining the features of a standard spring bow and rigid centralizer, it has bows manufactured from alloy steel tempered for exact hardness and a non- weld design to eliminate brittle spots. The spring characteristics of its double crested profile permit compression to facilitate movement through tight spot. These centralizers are available in threee catagories i.e. Hinged Non weld, Hinged welded & Slip on welded. Its Performance achieves the highest restoring forces and usually zero to minimum starting force and used in most types of well designs , Most suited for horizontal and directional well designs.

View Complete Details

Bow Spring Turbolizers

  • Type Casing Centralizer
  • Material Carbon Steel
  • Application Casing pipe
  • Application Oilfield Cementing Tools
  • Size 4 1/2 '' - 20 ''
  • Processing Type Casting
  • Product name: Turbolizer centralizer
  • Model WC-HNBST
  • Product No. WC-40501

Centralizers with turbo-fins attached to each bow spring are designed to create localized turbulent fluid flow at the centralizer. The turbofins divert the fluid flow to more evenly distributing the cement around the casing. All welded and nonwelded bowspring centralizers are available in the most common hole/casing sizes. Available in the size range 4 1/2 ” to 20”, this sturdy non-weld device induces a spiral flow pattern in the slurry thereby increasing displacement efficiency. Fitted with specially designed multidirection turbo fins, made of alloy steel in annealed state. This device improves the cleaning action of drilling fluids, distributes the cement slurry into wellbore irregularities and minimizes channeling.

View Complete Details

Positive Bow Centralizers

  • Size 4 1/2 ” to 20”
  • Condition New
  • Product No. WC-40201
  • Model WC-HNPBC
  • Usage Industrial
  • Warranty 1 Year

As per design appearance, Positive bow centralizer is designed with positive steel channel bow which provides positive casing stand off. Positive centralizers are of three types hinged non weld , hinge welded, slip on welded. WELLCARE non weld positive centralizers are uniquely designed with flat bottom U profile with different depths permitting maximum fluid passage. The flat U profile is fitted in self locking retaining lips for firm and positive hold. These centralizers significantly reduce frictional drag while being used in deviated holes. They provide almost 100% standoff when run inside a cased hole. They are supplied 4-8mm less than the inside diameter of the casing or hole size in which the centralizer is to be run. The non weld design eliminates brittle spots, enhancing durability. WELLCARE positive centralizers are available in a size range of 4 ½ ” to 20”.

Technical Specifications

Casing Size in Hole Size in Nos. of Bows Maximum OD in Maximum Compressed OD in
4 – 1 / 2 6 4 6 – 1 / 8 5.41
6 – 1 / 4 4 6 – 3 / 8 5.41
6 – 1 / 2 4 6 – 5 / 8 5.41
7 – 7 / 8 4 8 5.41
5 6 – 1 / 2 4 6 – 5 / 8 5.92
6 – 3 / 4 4 6 – 7 / 8 5.92
7 – 7 / 8 4 8 5.92
8 – 1 / 2 4 8 – 5 / 8 5.92
5 – 1 / 2 7 – 7 / 8 4 8 6.43
8 – 1 / 2 4 8 – 5 / 8 6.43
8 – 3 / 4 4 8 – 7 / 8 6.43
9 – 7 / 8 4 10 6.43
6 – 5 / 8 8 – 1 / 2 4 8 – 5 / 8 7.57
7 8 – 1 / 2 4 8 – 5 / 8 7.97
8 – 3 / 4 4 8 – 7 / 8 7.97
9 – 7 / 8 4 10 7.97
7 – 5 / 8 9 – 7 / 8 4 10 8.6
8 – 5 / 8 10 – 5 / 8 6 10 – 3 / 4 9.58
11 – 5 / 8 6 11 – 3 / 4 9.58
12 – 1 / 4 6 12 – 3 / 4 9.58
9 – 5 / 8 11 – 5 / 8 6 11 – 3 / 4 10.63
12 – 1 / 4 6 12 – 3 / 8 10.63
13 – 3 / 4 6 14 10.63
9 – 7 / 8 11 – 5 / 8 6 12 10.88
12 – 1 / 4 6 12 – 3 / 4 10.88
13 – 3 / 4 6 14 – 1 / 4 10.88
10 – 3 / 4 12 – 1 / 4 6 12 – 3 / 4 11.81
13 – 3 / 4 6 14 – 1 / 4 11.81
14 – 3 / 4 6 15 – 1 / 4 11.81
11 – 3 /4 13 – 3 / 4 8 14 – 1 / 4 12.77
14 – 3 / 4 8 15 – 1 / 4 12.77
15 – 1 / 2 8 16 12.77
13-3/8 16 8 16-1/2 14.43
17-1/2 8 18 14.43
13-5/8 16 8 16-1/2 14.68
17-1/2 8 18 14.68
14 16 8 16-1/2 15.06
17-1/2 8 18 15.06
16 20 10 20-1/2 17.08
22 10 22-1/2 17.08
18-5/8 22 10 22-1/2 19.74
24 10 24-1/2 19.74
20 24 10 24-1/2 21.12
26 10 26-1/2 21.12

Model WC-HNPBC, WC-HWPBC & WC-SWPBC

Casing Size
In
Hole Size
In
Nos. Of Bows Maximum Od
In
4 – 1 / 2 6 – 1 / 8 4 5.787
8 – 1 / 2 4 8.141
5 8 – 1 / 2 4 8.141
5 – 7 / 8 4 5.512
5 – 1 / 2 8 – 1 / 2 4 8.228
9 – 5 / 8 4 9.094
6 – 5 / 8 8 – 1 / 2 4 8.228
9 – 5 / 8 4 9.37
7 8 – 1 / 2 4 8.189
9 – 5 / 8 4 9.213
7 – 5 / 8 9 – 5 / 8 4 9.291
8 – 1 / 2 4 8.15
8 – 5 / 8 9 – 5 / 8 4 9.252
12 – 1 / 4 4 12.008
9 – 5 / 8 12 – 1 / 4 6 11.87
13 – 3 / 8 6 13.012
9 – 7 / 8 12 – 1 / 4 6 11.909
13 – 3 / 8 6 12.736
10 – 3 / 4 12 – 1 / 4 8 12.008
13 – 3 / 8 8 13.031
11 – 3 / 4 12 – 1 / 4 8 11.89
13 – 3 / 8 8 13.012
13 – 1 / 2 8 13.128
13 – 3 / 8 16 8 15.669
17 – 1 / 2 8 17.126
13 – 5 / 8 16 8 15.689
17 – 1 / 2 8 17.067
14 16 8 15.768
17 – 1 / 2 8 16.909
16 18 – 1 / 2 8 18.227
20 8 19.625
18 – 5 /8 22 10 21.585
24 10 24.646
26 10 25.585
20 22 10 21.625
24 10 23.514
26 10 25.625



View Complete Details

Bow Spring Centralizers

  • Size 4 1/2 '' - 20 ''
  • Color Green
  • Material Carbon Steel
  • Application Downhole
  • Processing Type Casting
  • Structure Collar and bow
  • Blade Qty 4-12
  • Model WC-HNBSC
  • Product No. WC-40301

WELLCARE non welded bow centralizers are high in quality, developed to comply API 10D specifications for use in the most demanding  conditions. The non weld bow centralizers combine the highest restoring force with the lowest starting force. Premium quality bows which are made of special alloy steel with uniform hardness provide optimum performance. The bows with extended profile prevent their hitting against casing collars. The bows are available in a range to accommodate any well profile. Quality steel and non weld design ensure extra strong grip while integral hinges folded on the inside are connected by high strength locking pin for maximum structural robustness. WELLCARE non weld bow centralizers are used to position the casing in the centre of the wellbore in vertically, deviated as well as horizontal wells. High restoring force combined with low starting force is achieved with all bow heights. Their installation on the casing pipe is very convenient. It requires only the placement of the two assembled halves on the pipe and inserting the pin in the end collar hinge. The centralizer when unassembled makes a compact package, reducing the shipping cost. Assembly at site is conveniently done.

Welded bow-spring centralizers are available in two styles :

  • Slip-on and hinged. Slip-on centralizers are manufactured with solid end rings, requiring the centralizer to be slipped on the casing OD during installation. Hinged centralizers are manufactured in segments allowing the centralizer to be installed easily around the casing OD. Hinge pins hold the segments together during installation. All welded bow-spring centralizers are manufactured to API 10D Specification.
  • The welded construction provides for superior strength with destructive tensional force up to 3-4 times higher than nonweld centralizer products.
  • Designed to be installed over stop collars or casing couplings, this type is available in a wide range for casing and hole sizes.

Specification Guide

Casing Size in Hole Size in Nos. of Bows Maximum OD in Maximum Compressed OD In
4 – 1 / 2 6 4 7.165 5.409
6 – 1 / 4 4 7.165 5.409
6 – 1 / 2 4 7.638 5.409
7 – 7 / 8 4 9.055 5.409
5 6 – 1 / 2 4 7.677 5.921
6 – 3 / 4 4 7.677 5.921
7 – 7 / 8 4 9.094 5.921
8 – 1 / 2 4 10.118 5.921
5 – 1 / 2 7 – 7 / 8 4 9.134 6.433
8 – 1 / 2 4 10.079 6.433
8 – 3 / 4 4 10.079 6.433
9 – 7 / 8 4 11.102 6.433
6 – 5 / 8 8 – 1 / 2 4 9.331 7.575
7 8 – 1 / 2 4 9.724 7.969
8 – 3 / 4 4 10.197 7.969
9 – 7 / 8 4 11.614 7.969
7 – 5 / 8 9 – 7 / 8 4 10.846 8.598
8 – 5 / 8 10 – 5 / 8 6 11.831 9.583
11 – 5 / 8 6 13.799 9.583
12 – 1 / 4 6 14.272 9.583
9 – 5 / 8 11 – 5 / 8 6 13.819 10.626
12 – 1 / 4 6 14.291 10.626
13 – 3 / 4 6 15.315 10.626
9 – 7 / 8 11 – 5 / 8 6 13.602 10.882
12 – 1 / 4 6 14.075 10.882
13 – 3 / 4 6 15.098 10.882
10 – 3 / 4 12 – 1 / 4 6 13.583 11.807
13 – 3 / 4 6 15.472 11.807
14 – 3 / 4 6 16.024 11.807
11 – 3 /4 13 – 3 / 4 8 15.492 12.772
14 – 3 / 4 8 16.437 12.772
15 – 1 / 2 8 17.461 12.772
13-3/8 16 8 18.642 14.425
17-1/2 8 19.114 14.425
13-5/8 16 8 18.366 14.681
17-1/2 8 18.917 14.681
14 16 8 18.74 15.055
17-1/2 8 19.291 15.055
16 20 10 21.791 17.083
22 10 24.075 17.083
18-5/8 22 10 23.425 19.74
24 10 26.732 19.74
20 24 10 25.827 21.118
26 10 28.11 21.118

Model WC-HWBSC/WC-SWBSC

Casing Size in Hole Size in Nos. of Bow Maximum OD in Maximum Compressed OD in
4 – 1 / 2 6 4 7 – 1 / 8 5.25
6 – 1 / 4 4 7 – 1 / 8 5.25
6 – 1 / 2 4 7 – 5 / 8 5.25
7 – 7 / 8 4 9 – 1 / 8 5.25
5 6 – 1 / 2 4 7 – 5 / 8 5.76
6 – 3 / 4 4 7 – 7 / 8 5.76
7 – 7 / 8 4 9 – 1 / 8 5.76
8 – 1 / 2 4 10 – 1 / 8 5.76
5 – 1 / 2 7 – 7 / 8 4 9 – 1 / 8 6.28
8 – 1 / 2 4 10 – 1 / 4 6.28
8 – 3 / 4 4 10 – 1 / 4 6.28
9 – 7 / 8 4 11 – 1 / 4 6.28
6 – 5 / 8 8 – 1 / 2 4 9 – 5 / 8 7.42
7 8 – 1 / 2 4 9 – 5 / 8 7.81
8 – 3 / 4 4 10 – 1 / 8 7.81
9 – 7 / 8 4 11 – 5 / 8 7.81
7 – 5 / 8 9 – 7 / 8 4 10 – 3 / 4 8.44
8 – 5 / 8 10 – 5 / 8 6 11 – 3 / 4 9.43
11 – 5 / 8 6 13 – 7 / 8 9.43
12 – 1 / 4 6 14 – 1 / 4 9.43
9 – 5 / 8 11 – 5 / 8 6 13 – 7 / 8 10.47
12 – 1 / 4 6 14 – 1 / 4 10.47
13 – 3 / 4 6 15 – 3 / 4 10.47
9 – 7 / 8 11 – 5 / 8 6 13 – 5 / 8 10.72
12 – 1 / 4 6 14 – 1 / 4 10.72
13 – 3 / 4 6 15 – 1 / 4 10.72
10 – 3 / 4 12 – 1 / 4 6 13 – 3 / 8 11.65
13 – 3 / 4 6 15 – 5 / 8 11.65
14 – 3 / 4 6 16 – 3 / 8 11.65
11 – 3 /4 13 – 3 / 4 8 15 – 3 / 8 12.61
14 – 3 / 4 8 16 – 3 / 8 12.61
15 – 1 / 2 8 17 – 3 / 8 12.61
13-3/8 16 8 18 – 5 / 8 14.27
17-1/2 8 19 – 1 / 8 14.27
13-5/8 16 8 18 – 5 / 8 14.52
17-1/2 8 19 – 1 / 8 14.52
14 16 8 18 – 5 / 8 14.9
17-1/2 8 19 – 1 / 8 14.9
16 20 10 21 – 5 / 8 16.93
22 10 24 – 1 / 8 16.93
18-5/8 22 10 23 – 1 / 4 19.58
24 10 26 – 3 / 4 19.58
20 24 10 25 – 5 / 8 20.96
26 10 21 – 1 / 8 20.96
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