US 12,442,293 B2
Coring tools having coring shafts with associated internal static sleeves
Amol Bhome, Richmond, TX (US); Mark Milkovisch, Cypress, TX (US); Daniel G. De La Garza, Alvin, TX (US); Joseph Matthew Casassa, Needville, TX (US); Lijun Song, Sugar Land, TX (US); Is Haq Mohsin Shaikh, Pune (IN); Swapnil Barathe, Pune (IN); Christopher Leake, Sugar Land, TX (US); Charles Haddad, Kristiansand (NO); and Viraj Singh, Houston, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Appl. No. 18/720,504
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Jan. 25, 2023, PCT No. PCT/US2023/011535
§ 371(c)(1), (2) Date Jun. 14, 2024,
PCT Pub. No. WO2023/146910, PCT Pub. Date Aug. 3, 2023.
Claims priority of provisional application 63/302,821, filed on Jan. 25, 2022.
Prior Publication US 2025/0067174 A1, Feb. 27, 2025
Int. Cl. E21B 49/06 (2006.01)
CPC E21B 49/06 (2013.01) 14 Claims
OG exemplary drawing
 
1. A sidewall coring tool assembly, comprising:
a coring shaft having an internal cavity and configured to be coupled to a coring motor shaft of a coring motor at a first axial end of the coring shaft, wherein the coring shaft comprises a plurality of internal grooves disposed on an internal surface of the coring shaft, wherein the coring shaft comprises a plurality of scoops disposed circumferentially on a first external surface of the coring shaft, and wherein each scoop of the plurality of scoops forms a conduit from an exterior of the coring shaft to an interior of the coring shaft;
a coring bit coupled to the coring shaft at a second axial end of the coring shaft; and
a static sleeve coupled to the coring motor and disposed radially within the internal cavity of the coring shaft, wherein the static sleeve comprises a plurality of external grooves disposed on an external surface of the static sleeve, and wherein the plurality of external grooves corresponds to the plurality of internal grooves of the coring shaft.