公开(公告)号：US20240344410A1

公开(公告)日：2024-10-17

申请号：US18035762

申请日：2022-09-23

Applicant: SICHUAN UNIVERSITY

Inventor： Zetian ZHANG ,  Heping XIE ,  Ru ZHANG ,  Ling CHEN ,  Yihang LI ,  Heng GAO ,  Jianan LI ,  Wei HUANG ,  Li REN ,  Kun XIAO ,  Weiqiang LING ,  Chendi LOU

IPC: E21B19/24

CPC classification number: E21B19/24

Abstract: The present disclosure provides a rolling and sliding adaptive device for guiding and fixing a drill pipe. The rolling and sliding adaptive device includes a mounting platform, where the mounting platform is provided with a through hole for the drill pipe to pass through. Multiple rolling and sliding support mechanisms are arranged around the through hole. The rolling and sliding support mechanisms each include a support seat. The support seat is provided with a contact element telescopic and swingable on the support seat. A telescopic drive mechanism is provided between the contact element and the support seat. The contact elements on the multiple rolling and sliding support mechanisms form a funnel-shaped structure with a large upper part and a small lower part around the through hole. The rolling and sliding adaptive device is used on a deep in-situ high-fidelity coring calibration platform for accurate positioning of an assembly process of a multi-section drill pipe bin, thus ensuring the assembly accuracy of the multi-section drill pipe bin and stable support and fixation for the assembly and work of a coring system using the drill pipe.

公开(公告)号：US20240261911A1

公开(公告)日：2024-08-08

申请号：US18031357

申请日：2022-09-23

Applicant: SICHUAN UNIVERSITY

Inventor： Heping XIE ,  Ru ZHANG ,  Zetian ZHANG ,  Ling CHEN ,  Mingzhong GAO ,  Zhilong ZHANG ,  Yang YANG ,  Jianan LI ,  Wei HUANG ,  Li REN ,  Yihang LI ,  Kun XIAO ,  Weiqiang LING ,  Chendi LOU ,  Heng GAO

IPC: B23P19/04 ,  E21B41/00 ,  G01M99/00

CPC classification number: B23P19/04 ,  E21B41/00 ,  G01M99/008 ,  E21B25/00 ,  Y10T29/49895

Abstract: An assembly method for a deep in-situ high-fidelity coring calibration platform includes the following steps: S1: fixing a core bin assembly subsystem on a preset ground foundation and fixing a simulator of a core bin on a mounting base plate of the core bin assembly subsystem; S2: driving a cylinder and driving the mounting base plate to move to a preset position; S3: driving a servo motor and controlling two clips to move close to each other; S4: fixing a drill pipe bin assembly subsystem on the ground foundation; S5: assembling multiple sections of a drill pipe bin in turn; aligning and connecting a bottom of the drill pipe bin to the simulator, and aligning and communicating the top of the drill pipe bin with the lower part of an adaptive drill pipe guide structure; and S6: driving the adaptive drill pipe guide structure to perform accurate positioning.

公开(公告)号：US20230383629A1

公开(公告)日：2023-11-30

申请号：US18031628

申请日：2022-08-22

Applicant: SICHUAN UNIVERSITY

Inventor： Ru ZHANG ,  Heping XIE ,  Zetian ZHANG ,  Li REN ,  Zhilong ZHANG ,  Yihang LI ,  Weiqiang LING ,  Heng GAO

IPC: E21B43/12 ,  E21B19/16

CPC classification number: E21B43/122 ,  E21B19/165

Abstract: A high-temperature and high-pressure simulator for a deep in-situ environment is provided. The simulator includes a high-fidelity sample chamber, where a lower end of the high-fidelity sample chamber is provided with a bottom cylinder. A lower end of the bottom cylinder is provided on a base. A piston rod of the bottom cylinder extends into the high-fidelity sample chamber, and an upper end of the piston rod is provided with a rock sample seat. An upper end of the high-fidelity sample chamber is provided with a rock sample cap. The top of the high-fidelity sample chamber is sealed by an end cap of the high-fidelity sample chamber. An upper end of the end cap of the high-fidelity sample chamber is provided with a multi-section coring drill chamber. The uppermost section of the coring drill chamber is connected to a lift cylinder.