Home > Products > Recommend products > Variable Diameter Stabilizer
Variable Diameter Stabilizer
- Tianjin China port
- T/T L/C D/P D/A
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Product Details
| Place of Origin | China | Brand Name | senwell | |
| Model Number | Variable Diameter Stabilizer | Type | Stabilizer | |
| Machine Type | Drilling Tool | Certification | API | |
| Material | Other, 4145H,4145HMod | Processing Type | Forging | |
| Use | Well Drilling |
Product Description
Specifications
1. API 7-1 Spec2. 8 3/4"~8 1/2"
3. Variable diameter stabilizer solves the problem which common stabilizer can't solve
Variable Diameter stabilizer is one of main drill tool assembly in hole guiding. During drilling in deviating and horizontal well, in view of workmanship, stabilizer OD is required to be equal or 1~2mm less than drill bit so that too small clearance between borehole wall and stabilizer usually causes stabilizer to be easily stuck during tripping out of hole.
However, variable diameter stabilizer solves the problem which common stabilizer can't solve. During drilling in directional well, by use of differential pressure at nozzle produced by circulation of fluid among inside and outside of drilling string, stabilizer stretch out supporting head to reach full hole so that stabilizer equipped with different drill tools to increase or angle drop or stabilizer hole inclination. Meanwhile, when stop pump circulation, support head draw back so that stabilizer OD becomes small to improve tripping out smoothly.
Detail Specification:
Technical specifications and parameters for Variable Diameter stabilizer | ||||||||
Type | Body OD(mm) | I.D.(mm) | Support head assembly O.D.(mm) | Support head Nos. | Overall length(mm) | Box thread | Pin thread | O.D. varied |
ZBW 8 3/4" | 201 | 55 | 80 | 15 | 1350 | NC50 | NC50 | 211~213 |
ZBW 8 1/2" | 204 | 55 | 80 | 15 | 1350 | NC50 | NC46 | 214~216 |
Technical specifications and parameters for Variable Diameter stabilizer | ||||
Type | Min. pressure when support head stretch out (Mpa) | Radial force of main support heads under 10Mpa differential pressure(KN) | Max. working allowed pressure (Mpa) | Max. differential pressure |
ZBW 8 3/4" | 0.1 | 513 | 20 | 40 |
ZBW 8 1/2" | 0.1 | 513 | 20 | 40 |
Contact Us
- Shaanxi Senwell Import & Export Co., Ltd.
- Contact nameJenny Zhang Chat Now
- Phone86-29-85370919
- Address1623, Unit 1, Bldg. 2, I Duhui, Yicuiyuan, Tangyan South Road, High-Tech Zone
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