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The Casing Scraper is used to clean cement, mud, embedded bullets, rust, mill scale, paraffin, perforation burrs and other substances from the inside walls of casing. Maintaining a clean casing I. D. is important to the operation of all tools used in drilling the well. Likewise, packers and similar tools must have a clean surface to grip. Foreign materials on casing walls will frequently cause these tools to become difficult to operation.
The Casing Scraper is manufactured from a solid piece of heat treated steel. The scraper blades fit into machined recesses and are securely held by a dovetail keeper and spacer. The scraper blades feature left hand helical grooves and are hard faced for maximum service. There are sufficient blades in the body to completely scrape the casing surface without rotating the tool.
Standard connections on the Casing Scraper are API Reg., Box and Pin. This allows the scraper to be installed in the drilling string between the bit and the bit sub. The bit is run below the scraper to serve as a guide and prevent plugging the circulation hole through the scraper.
|
Type
|
Casing Size
(mm/inch)
|
Connection
(mm/inch)
|
Body O.D.
(mm/inch)
|
Length
(mm/inch)
|
Body I.D.
(mm/inch)
|
Quantity of Blades
(mm/inch)
|
|
GW01
|
4-1/2(114.3)
|
2-3/8REG
|
3-5/8(91)
|
38-1/4(971.2)
|
3/4(19)
|
2×3
|
|
GW02
|
5(127)
|
NC26
|
3-5/7(94)
|
38-1/4(971.2)
|
3/4(19)
|
2×3
|
|
GW03
|
5-1/2(139.7)
|
NC31
|
3-5/16(110)
|
44-5/16(1100)
|
1(25.4)
|
2×3
|
|
GW04
|
6-5/8(168)
|
3-1/2REG
|
4-7/64(130)
|
44-5/16(1100)
|
1(25.4)
|
2×3
|
|
GW05
|
7(177.8)
|
3-1/2REG
|
5-3/8(136)
|
44-5/16(1100)
|
1-13/16(30.2)
|
2×3
|
|
GW06
|
9-5/8(244.5)
|
4-1/2REG
|
8(1203)
|
52(1320)
|
2-1/4(57.2)
|
2×5
|
|
GW07
|
10-3/4(273)
|
6-5/8REG
|
9(228)
|
59(1500)
|
2-1/4(57.2)
|
2×5
|
|
GW08
|
13-3/8(339.7)
|
6-5/8REG
|
11-1/4(286)
|
59(1500)
|
2-13/16(71.4)
|
2×7
|
|
GGQ340
|
315.3-323.0
|
88.9
|
6 5/8REG
|
|
|
1500
|
|
Casing Size
inch
|
dw
|
d2
|
d
mm
|
d
mm
|
Length
mm
|
Connection
API
|
Quantity of Blades
|
|
4-1/2"
|
92-121
|
92
|
80
|
20
|
972
|
2-3/8 REG
|
2×3
|
|
5"
|
95-118
|
94
|
80
|
20
|
972
|
NC 26
|
2×3
|
|
5-1/2"
|
110-133
|
110
|
100
|
25
|
1100
|
NC 31
|
2×3
|
|
6-5/8"
|
136-162
|
136
|
108
|
30
|
1100
|
3-1/2 REG
|
2×3
|
|
7"
|
142-168
|
136
|
108
|
30
|
1100
|
3-1/2 REG
|
2×3
|
|
9-5/8"
|
209-235
|
203
|
146
|
57
|
1320
|
4-1/2 REG
|
2×5
|
|
10-3/4"
|
240-260
|
228
|
196
|
57
|
1727
|
6-5/8 REG
|
2×5
|
|
13-3/8"
|
290-330
|
286
|
196
|
71
|
1500
|
6-5/8 REG
|
2×7
|
Xi′an BOBAN Oil Tools Co., Ltd. Make & Supply a full line of equipment for O& G, horizontal directional drilling (HDD), micro-tunnelling, pipe jacking, etc, In O& G section, we can supply drilling rig component, downhole drilling tools, fishing tools, tubular handling tools, well control equipments, drilling fluid mixing & Recycling system, solid controling equipments and other relevant oiltools,
All our products are API certified, and we are also authorized by ISO: 9001-2000. With advanced production facilities, rigorous quality management, and the joint efforts of our experting staff, Boban has been qualified vendor for many renowned companies in Italy, Germany, Poland, UAE, Kuwait, Egypt, & South East Asia, etc since its establishment in 2018. And obtained a good reputation among the offshore customers as well as other industrial clients.
With our reasonnal prices, quick reaction, high quality products and deliver anywhere on time as well as superior service, Boban has stablished good cooperation relationship with many well-known customers in the world, and also wish to have the chance to work with more and more customers from all over the world!
Pre-Sales Service After-Sales Service
* Transaction Level Five Stars * Supplier Service Service Five Stars
* Response Rate 86.5% * On-time Shipment Five Stars
* Response Time<12h * Product Quality Five Stars
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