Title:
SHORT PITCH FOR MEASUREMENT WHILE DRILLING
Document Type and Number:
WIPO Patent Application WO/2020/114003
Kind Code:
A1
Abstract:
A short pitch for measurement while drilling, comprising an integrated housing (100), a circuit connection pipe (200), a probe pipe component (300), a resistivity test component, a power supply component, a first control circuit element (410), and a second control circuit element (420). The integrated housing (100) comprises a hollow cavity. Several horizontal grooves (120) are circumferentially arranged on outer side walls on both ends of the integrated housing (100). The resistivity test component is provided in the horizontal groove (120). Several grooves (110) are circumferentially arranged on outer side walls in the middle of the integrated housing (100). The probe pipe component (300), the power supply component, and the first control circuit element (410) are provided in the grooves (110), respectively. The circuit connection pipe (200) is detachably connected in the hollow cavity of the integrated housing (100). N circuit board grooves (210) are uniformly and circumferentially arranged on an outer wall of the circuit connection pipe (200). The second control circuit element (420) comprises N circuit boards (421) matching the circuit board grooves (210). The short pitch for measurement while drilling can measure the parameter of a stratum where a drill bit is located in near real time, is small in size, is compact in structure, is easy to disassemble, and is low in production costs.
Inventors:
LIU CE (CN)
JIANG YAZHU (CN)
JIANG YAZHU (CN)
Application Number:
PCT/CN2019/101780
Publication Date:
June 11, 2020
Filing Date:
August 21, 2019
Export Citation:
Assignee:
BITSWAVE SUZHOU CO LTD (CN)
International Classes:
E21B49/00; E21B47/026
Foreign References:
| CN109322662A | 2019-02-12 | |||
| CN209385122U | 2019-09-13 | |||
| CN205100962U | 2016-03-23 | |||
| CN106522922A | 2017-03-22 | |||
| CN206158733U | 2017-05-10 | |||
| US20120031669A1 | 2012-02-09 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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