Specifications
API Type WH Sleeve StabilizerTwo types: drilling string type and near bit type
Inserted hard alloy string in spiral blades
API Type WH Sleeve Stabilizer
The Sleeve Stabilizer type WH come in two types: the drilling string type and the near bit type. The stabilizer is inserted hard alloy string in spiral blades, and can be suitable for the well with different diameters by changing different
bearing sleeve. It can effectively reduce down hole vibration and MWD failures.
Specification Series and Performance Parameters
TYPE | Working O.D. mm (in.) | Water Hole mm (in.) | Overall Length mm (in.)
| Connection API | |
Upper | Down | ||||
WH216-37 | 216 (81/2) | 71.4 (213/16) | 1727(67.99) | NC50 (inner) | NC50 (outer) |
WH216-37D | 216 (81/2) | 71.4 (213/16) | 1527(60.12) | NC50 (inner) | 4 1/2REG (inner) |
WH216-46Ⅱ | 216 (81/2) | 71.4 (213/16) | 1815(71.46) | NC46 (inner) | NC46 (outer) |
WH216-46ⅡD | 216 (81/2) | 71.4 (213/16) | 1700(66.93) | NC46 (inner) | 4 1/2REG (inner) |
WH251-37 | 251 (97/8) | 71.4 (213/16) | 1778(70.00) | NC50 (inner) | NC50 (outer) |
WH251-37D | 251 (97/8) | 71.4 (213/16) | 1578(62.13) | NC50 (inner) | 6 5/8REG (inner) |
WH311-38 | 311(121/4) | 76.2 (3) | 1930(75.98) | 6 5/8REG (inner) | 6 5/8REG (outer) |
WH311-38D | 311(121/4) | 76.2 (3) | 1730(68.11) | 6 5/8REG (inner) | 6 5/8REG (inner) |
WH311-39 | 311(121/4) | 76.2 (3) | 1930(75.98) | 7 5/8REG (inner) | 7 5/8REG (outer) |
WH311-39D | 311(121/4) | 76.2 (3) | 1730(68.11) | 7 5/8REG (inner) | 6 5/8REG (inner) |
WH311-48 | 311(121/4) | 71.4 (213/16) | 1880(74.02) | 6 5/8REG (inner) | 6 5/8REG (outer) |
WH311-48D | 311(121/4) | 71.4 (213/16) | 1626(64.02) | 6 5/8REG (inner) | 6 5/8REG (inner) |
WH311-48Ⅱ | 311(121/4) | 71.4 (213/16) | 1880(74.02) | 6 5/8REG (inner) | 6 5/8REG (outer) |
WH311-48ⅡD | 311(121/4) | 71.4 (213/16) | 1626(64.02) | 6 5/8REG (inner) | 6 5/8REG (inner) |
WH406-49 | 406 (16) | 76 (3) | 2108(82.99) | 7 5/8REG (inner) | 7 5/8REG (outer) |
WH406-49D | 406 (16) | 76 (3) | 1854(72.99) | 7 5/8REG (inner) | 7 5/8REG (inner) |
WH442-69 | 442(173/8) | 71.4 (213/16) | 2400(94.49) | 7 5/8REG (inner) | 7 5/8REG (outer) |
WH442-69D | 442(173/8) | 71.4 (213/16) | 2200(86.61) | 7 5/8REG (inner) | 7 5/8REG (inner) |