CN108252704A - A kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure - Google Patents

A kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure Download PDF

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Publication number
CN108252704A
CN108252704A CN201711484547.3A CN201711484547A CN108252704A CN 108252704 A CN108252704 A CN 108252704A CN 201711484547 A CN201711484547 A CN 201711484547A CN 108252704 A CN108252704 A CN 108252704A
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CN
China
Prior art keywords
probe
aviation socket
minor diameter
plug head
welded
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CN201711484547.3A
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Chinese (zh)
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CN108252704B (en
Inventor
蔡晓波
吕海泉
张建军
程静
柏林
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718th Research Institute of CSIC
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718th Research Institute of CSIC
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Priority to CN201711484547.3A priority Critical patent/CN108252704B/en
Publication of CN108252704A publication Critical patent/CN108252704A/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells

Abstract

The present invention relates to Nuclear Logging Technique field, more particularly to a kind of logging instrument probe string-passing structure.A kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure, technical solution are：Integrative detection device is mounted on seal receptacle upper plug head in integrated probe shell, at the inner wall of integrative detection device and the integrated probe shell of seal receptacle upper plug head upper and lower, one group of milling cutter slot is respectively provided with, perforation collimation is equipped between two groups of milling cutter slots crosses line circular hole；It crosses in line circular hole and high temperature signal cable is installed, one end of high temperature signal cable is welded in the pin hole of upper end aviation socket, and the other end is welded in the pin hole of lower end aviation socket；It is welded in the pin hole of upper end aviation socket after the sealed seat upper plug head of signal lead-out wire of integrative detection device.Structure optimization of the present invention is reasonable, in limited minor diameter instrument space, accommodates scintillator volume to greatest extent, directly enhances the detection efficient of instrument.

Description

A kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure
Technical field
The present invention relates to Nuclear Logging Technique field, more particularly to a kind of logging instrument probe string-passing structure.
Background technology
Domestic energy field constantly changes, and oil exploration and gradually develops with boring to slim-hole direction with adopting, instrument one Change and degree of miniaturization is aggravated.The borehole size limitation of well logging is bored, instrument outer diameter is forced to be gradually reduced, thereby results in spectrometry logging Instrument core devices sizes is cut down, direct losses instrument detection efficient, sacrifices the measurement accuracy of system.
The inner space of existing major diameter spectrometry logging instrument is very narrow compact, because of the sealing of detector deliquescence, instrument Device penetrated through the influence of the intrinsic factor such as line, can not be modified.The minor diameter gamma spectroscopy tool probe of pump-out type can not With reference to similar structures, technological break-through is extremely urgent.
Invention content
The purpose of the present invention is：To solve the deficiencies in the prior art, a kind of pump-out type minor diameter gamma spectrometry log is provided Instrument probe string-passing structure.
The technical scheme is that：A kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure, it includes： Helical ring, upper end aviation socket, lower end aviation socket are fixed in integrative detection device, seal receptacle upper plug head, probe upper end, upper end And integrated probe shell；
Probe upper end is mounted by screwing to opening on integrated probe shell；
Integrative detection device is mounted on seal receptacle upper plug head in integrated probe shell, in integrative detection device and sealing At the inner wall of the integrated probe shell of seat upper plug head upper and lower, one group of milling cutter slot is respectively provided with, is equipped with and passes through between two groups of milling cutter slots Logical collimation crosses line circular hole；
Upper end aviation socket is mounted in probe upper end, and is fixed by key pin；
Helical ring noose is fixed in probe upper end outer wall in upper end, and passes through upper end snap ring and position；
Lower end aviation socket is mounted in integrated probe shell under shed, and is positioned by lower end snap ring；
It crosses in line circular hole and high temperature signal cable is installed, one end of high temperature signal cable is welded to the needle of upper end aviation socket In hole, the other end is welded in the pin hole of lower end aviation socket；
It is welded in the pin hole of upper end aviation socket after the sealed seat upper plug head of signal lead-out wire of integrative detection device.
Advantageous effect：The present invention directly digs two groups on the barrel of integrated probe shell and penetrated through line collimation circular hole, That completes through track crosses line function, and structure optimization is reasonable, and in limited minor diameter instrument space, receiving flickers to greatest extent Body volume directly enhances the detection efficient of instrument；Meanwhile the present invention has good mechanical resistance energy, meets nuclear logging The requirement of instrument depth-logger.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the A-A direction views of Fig. 1.
Wherein：1- integrative detection devices；2- seal socket upper plug heads；3- probe upper ends；4- upper ends fixed thread ring, 5- Upper end snap ring；6- upper ends aviation socket；7- key pins；8- lower ends aviation plug；9- lower ends snap ring；10- integrated probe shells； 11- crosses line circular hole；12- high temperature signal cables；13- signal lead-out wires.
Specific embodiment
The present invention provides a kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure, which uses housing Line collimation circular hole form was penetrated through, internal envelope shell-and-core frame pack case is substituted, accommodates crystal to greatest extent, is improved from source Instrument whole efficiency.
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Referring to attached drawing 1, a kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure, it includes：Integration is visited Survey device 1, seal receptacle upper plug head 2, probe upper end 3, upper end fix helical ring 4, upper end aviation socket 6, lower end aviation socket 8 with And integrated probe shell 10；
Connection screw thread is equipped at 10 upper and lower opening of integrated probe shell, probe upper end 3 is mounted by screwing to On integrated probe shell 10 in opening；
Referring to attached drawing 2, integrative detection device 1 is mounted on seal receptacle upper plug head 2 in integrated probe shell 10, in one At the inner wall for changing the integrated probe shell 10 of detector 1 and 2 upper and lower of seal receptacle upper plug head, it is respectively provided with one group of milling cutter slot, two Perforation collimation is equipped between group milling cutter slot crosses line circular hole 11；
Upper end aviation socket 6 is mounted in probe upper end 3, and is fixed by key pin 7；
4 noose of helical ring is fixed in probe 3 outer wall of upper end in upper end, and passes through upper end snap ring 5 and position；
Lower end aviation socket 8 is mounted in 10 under shed of integrated probe shell, and is positioned by lower end snap ring 9；
Each cross in line circular hole 11 is equipped with a high temperature signal cable 12, and one end of high temperature signal cable 12 is welded to In the pin hole for holding aviation socket 6, the other end is welded in the pin hole of lower end aviation socket 8；
The pin hole of upper end aviation socket 6 is welded to after 13 sealed upper plug heads of signal lead-out wire 2 of integrative detection device 1 It is interior.
Further, for ensure integrated probe shell compression strength, while ensure detector receive ray it is each to Same sex feature crosses the circumferentially symmetrical cutting of line circular hole 11, a diameter of 1.5mm；The aperture for crossing line circular hole 11 is smaller, does not influence shell The load performance of big depth.
Preferably, integrated probe shell 10 is using the titanium alloy material that abrasion resistance is high, hardness is big.
Structure optimization of the present invention is reasonable, can fully accommodate the efficient scintillator of suitable minor diameter instrument；There is good machinery Compressive property meets the requirement of Nuclear Logging Tools depth-logger.
To sum up, the foregoing is merely a prefered embodiment of the invention, is not intended to limit the scope of the present invention.It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention Within the scope of.

Claims (3)

  1. The string-passing structure 1. a kind of pump-out type minor diameter gamma spectroscopy tool is popped one's head in, which is characterized in that it includes：Integrative detection Helical ring (4), upper end aviation socket (6), lower end boat are fixed in device (1), seal receptacle upper plug head (2), probe upper end (3), upper end Dummy receptacle (8) and integrated probe shell (10)；
    The probe upper end (3) is mounted by screwing to opening on the integrated probe shell (10)；
    The integrative detection device (1) is interior mounted on the integrated probe shell (10) with the seal receptacle upper plug head (2), The inner wall of the integrative detection device (1) and the integrated probe shell (10) of seal receptacle upper plug head (2) upper and lower Place, is respectively provided with one group of milling cutter slot, and perforation collimation is equipped between milling cutter slot described in two groups crosses line circular hole (11)；
    The upper end aviation socket (6) is fixed in the probe upper end (3), and by key pin (7)；
    Helical ring (4) noose is fixed in described probe upper end (3) outer wall in the upper end, and passes through upper end snap ring (5) positioning；
    The lower end aviation socket (8) is determined in integrated probe shell (10) under shed, and by lower end snap ring (9) Position；
    Described cross in line circular hole (11) is equipped with high temperature signal cable (12), and one end of the high temperature signal cable (12) is welded to In the pin hole of the upper end aviation socket (6), the other end is welded in the pin hole of the lower end aviation socket (8)；
    The signal lead-out wire (13) of the integrative detection device (1) is welded to the upper end after the seal receptacle upper plug head (2) In the pin hole of aviation socket (6).
  2. 2. a kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure as described in claim 1, which is characterized in that It is described to cross line circular hole (11) circumferentially symmetrical cutting, a diameter of 1.5mm.
  3. 3. a kind of pump-out type minor diameter gamma spectroscopy tool probe string-passing structure as claimed in claim 1 or 2, feature exist In the integrated probe shell (10) is using titanium alloy material.
CN201711484547.3A 2017-12-29 2017-12-29 Pump-out type small-diameter gamma energy spectrum logging instrument probe wire passing structure Active CN108252704B (en)

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Application Number Priority Date Filing Date Title
CN201711484547.3A CN108252704B (en) 2017-12-29 2017-12-29 Pump-out type small-diameter gamma energy spectrum logging instrument probe wire passing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711484547.3A CN108252704B (en) 2017-12-29 2017-12-29 Pump-out type small-diameter gamma energy spectrum logging instrument probe wire passing structure

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CN108252704B CN108252704B (en) 2022-01-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236270A (en) * 2018-08-24 2019-01-18 中国海洋石油集团有限公司 A kind of logging instrument

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236270A (en) * 2018-08-24 2019-01-18 中国海洋石油集团有限公司 A kind of logging instrument
CN109236270B (en) * 2018-08-24 2023-11-21 中国海洋石油集团有限公司 Logging instrument

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