Natural gamma measurement probe tube for inclinometer while drilling

Abstract

The utility model relates to the technical field of gamma detection equipment, in particular to a natural gamma measurement probe tube for an inclinometer while drilling, which comprises a gamma measurement probe tube mechanism, a gamma measurement probe tube mechanism and a gamma measurement probe tube mechanism, the sliding mechanism comprises a half pipe frame I and a half pipe frame II, and the sliding mechanism is screwed in the outer pipe and can slide along with the outer pipe, so that maintenance and inspection of parts are facilitated; and the multiple limiting frame mechanisms are inserted into the sliding mechanisms, and local parts can be independently disassembled. According to the utility model, the half-pipe frame I and the half-pipe frame II can be spliced, and a plurality of limiting frame mechanisms are inserted between the half-pipe frame I and the half-pipe frame II, so that fault parts can be accurately positioned and independently replaced, the maintenance efficiency is greatly improved, the maintenance time and cost are reduced, and drilling operation stagnation caused by equipment faults is reduced; and internal parts do not need to be disassembled one by one.

Description

TECHNICAL FIELD

[0001] The utility model relates to gamma detection equipment technical field, specifically is a natural gamma surveying probe for while drilling inclinometer. BACKGROUND

[0002] As an important component of devices such as while drilling inclinometer, gamma probe plays a key role in the resource exploration field of petroleum, natural gas and the like, and it obtains formation information by detecting gamma rays in the formation, providing important geological data support for drilling operation.

[0003] However, the existing gamma probe has some technical problems in actual application. On the one hand, its internal structure is compact, and when a single component needs to be replaced, the entire probe often has to be disassembled. This cumbersome disassembly process not only consumes a lot of time and labor cost, but also easily causes damage to other components during operation, thereby affecting the normal use and service life of the probe.

[0004] On the other hand, in terms of sealing performance, the sealing method used by the traditional gamma probe cannot effectively adhere to the inner wall of the drill collar, and it is difficult to effectively resist the intrusion of impurities such as drilling fluid and high-pressure gas, resulting in that the internal electronic components of the probe are easily corroded or short-circuited, which seriously affects the reliability and measurement accuracy of the instrument. SUMMARY

[0005] The utility model aims at providing a natural gamma surveying probe for while drilling inclinometer to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A natural gamma surveying probe for while drilling inclinometer, comprising:

[0008] The gamma surveying probe mechanism comprises an outer tube, and a threaded groove one is formed in the inner wall of both sides of the outer tube.

[0009] The sliding mechanism comprises a half pipe frame one and a half pipe frame two, and is screwed in the inner part of the outer tube and can slide with the outer tube, which facilitates the maintenance and inspection of the components.

[0010] The limiting frame mechanism is provided with several limiting frames, which are inserted into the inner part of the sliding mechanism and can be individually disassembled for local components.

[0011] Further, the gamma surveying probe mechanism comprises:

[0012] The round cover is provided with two round covers, which are screwed on both sides of the outer tube.

[0013] Preferably, the gamma surveying probe mechanism comprises:

[0014] The annular hole is internally and slidingly connected with a ring frame, and the outer wall of the ring frame is equally angularly provided with two square grooves I;

[0015] The square rod I is equally angularly fixed to the inner wall of the annular hole, and the square rod I is internally and slidingly connected with the square groove I;

[0016] The sealing ring is clamped in the inner part of the annular hole.

[0017] Preferably, the sliding mechanism comprises:

[0018] The threaded frame is provided with two groups and is fixed to the outer walls of the half pipe frame I and the half pipe frame II respectively, and the outer wall of the threaded frame is screw-connected with the threaded groove I;

[0019] The arc-shaped groove is provided with four, which are respectively arranged on the outer walls at both ends of the half pipe frame I and the half pipe frame II.

[0020] Preferably, the sliding mechanism comprises:

[0021] The circular hole I is provided with two and is equally angularly arranged at one end of the half pipe frame II;

[0022] The square rod II is provided with a plurality of square rods II and is fixed to the two ends of the half pipe frame I at equal intervals, and the outer wall of the square rod II is provided with a circular hole II;

[0023] The square groove II is provided with a plurality of square grooves II and is equally angularly arranged at both ends of the half pipe frame II, and the square groove II is internally and slidingly connected with the square rod II.

[0024] Preferably, the sliding mechanism comprises:

[0025] The circular rod is slidingly arranged between the circular hole I and the circular hole II, and one end of the circular rod is fixedly connected with a hexagonal groove block;

[0026] The threaded groove II is provided with two and is arranged on the inner walls of two square grooves II respectively, and the threaded groove II is screw-connected with one end of the circular rod.

[0027] Preferably, the limiting frame mechanism comprises:

[0028] The support is slidingly arranged in the half pipe frame II;

[0029] The square frame is provided with two and is fixed to the two ends of the support respectively, and the outer wall of the square frame is internally and slidingly connected with the square groove II.

[0030] Compared with the prior art, the utility model has the advantages that:

[0031] 1. Through the setting of half pipe frame one and half pipe frame two, a plurality of limiting frame mechanisms are inserted between the half pipe frame one and the half pipe frame two, the internal components can be accurately positioned and individually replaced, the maintenance efficiency is greatly improved, the maintenance time and cost are reduced, the drilling operation stagnation caused by equipment failure is reduced, the internal components do not need to be disassembled one by one, the sealing pads are arranged on the contact surfaces between the half pipe frame one and the half pipe frame two, and the square frame is clamped in the square groove two, the components are effectively prevented from loosening by the close limiting of the half pipe frame one and the half pipe frame two, and the working stability is improved.

[0032] 2. Through the sliding of the sliding mechanism and the outer pipe, the internal structure can be completely presented, the maintenance personnel can comprehensively check and maintain, the technical personnel can directly observe the connection of each component and the integrity of the line, potential hidden dangers can be quickly checked, faults can be prevented in advance, the gamma measurement probe pipe mechanism can be stably operated in the well, the sliding mechanism can be sealed and limited by rotating in the outer pipe, the operation is simple and convenient, the components are effectively prevented from shaking, the arc-shaped grooves are arranged on the outer wall of the threaded frame, when disassembling, the sliding mechanism is limited by clamping the two arc-shaped grooves with a wrench, and the outer pipe can be twisted.

[0033] 3. The sealing ring closely adheres to the inner wall of the drill collar, can effectively resist the invasion of impurities such as drilling fluid and high-pressure gas between the two round covers, prevent internal electronic components from being corroded and short-circuited, greatly improve the reliability and service life of the instrument, and avoid measurement data deviation or equipment damage caused by sealing failure. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the overall structure schematic diagram of the utility model;

[0035] Figure 2 It is the local expansion structure schematic diagram of the gamma measurement probe pipe mechanism in the utility model;

[0036] Figure 3 It is the round cover cross-section structure schematic diagram in the utility model;

[0037] Figure 4 It is the sliding mechanism structure schematic diagram in the utility model;

[0038] Figure 5 It is the half pipe frame one structure schematic diagram in the utility model;

[0039] Figure 6 It is the half pipe frame two structure schematic diagram in the utility model;

[0040] Figure 7 It is the half pipe frame two local structure schematic diagram in the utility model.

[0041] In the figure: 100, gamma measurement probe mechanism; 110, outer tube; 111, round cover; 112, annular hole; 113, square rod one; 114, threaded groove one; 120, ring frame; 121, square groove one; 122, sealing ring; 200, sliding mechanism; 210, half tube frame one; 211, threaded frame; 213, arc-shaped groove; 214, round hole one; 215, square rod two; 216, round hole two; 220, half tube frame two; 221, square groove two; 222, threaded groove two; 230, round rod; 231, hexagonal groove block; 300, limiting frame mechanism; 310, support; 311, square frame. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0043] Please refer to Figures 1-7The utility model discloses an embodiment of a natural gamma measurement probe for a while drilling inclinometer, including gamma measurement probe mechanism 100: gamma measurement probe mechanism 100, it includes outer tube 110, and the both sides inner wall of outer tube 110 are all seted up threaded groove no. 1 114, sliding mechanism 200, it includes half pipe frame no. 1 210 and half pipe frame no. 2 220, and sliding mechanism 200 is screwed in the inside of outer tube 110, and can slide with outer tube 110, the maintenance and inspection of convenient to the component, spacing frame mechanism 300, it is provided with several, and is inserted in the inside of sliding mechanism 200, can separately dismount to local component, sliding mechanism 200 includes: round hole no. 1 214, it is provided with two, and equal angle is seted up in half pipe frame no. 2 220 one end place, square bar no. 2 215, it is provided with several, and is respectively fixed at half pipe frame no. 1 210 both ends place, and square bar no. 2 215 outer wall sets up round hole no. 2 216, square groove no. 2 221, it is provided with several, and is respectively equal interval seted up in half pipe frame no. 2 220 both ends place, and square groove no. 2 221 inside and square bar no. 2 215 insert joint cooperation, round bar 230, it slides between round hole no. 1 214 and round hole no. 2 216 inside, and round bar 230 one end is fixedly connected with hexagonal groove block 231, threaded groove no. 2 222, it is provided with two, and is seted up in the inner wall on one side of two square groove no. 2 221 respectively, and threaded groove no. 2 222 inside and round bar 230 one end screwing connection, spacing frame mechanism 300 includes: support 310, it slides in half pipe frame no. 2 220 inside, square frame 311, it is provided with two, and is respectively fixed in support 310 both ends place, and square frame 311 outer wall and square groove no. 2 221 inside insert joint cooperation, through setting half pipe frame no. 1 210 and half pipe frame no. 2 220 can splice, and several spacing frame mechanisms 300 are inserted between half pipe frame no. 1 210 and half pipe frame no. 2 220, can accurate positioning and individually replace the faulty component.

[0044] Sliding mechanism 200 includes: threaded frame 211, it is provided with two groups, and is respectively fixed on the outer wall of half pipe frame no. 1 210 and half pipe frame no. 2 220, and threaded frame 211 outer wall and threaded groove no. 1 114 screwing connection, arc slot 213, it is provided with four, and is seted up on half pipe frame no. 1 210 and half pipe frame no. 2 220 and located both ends outer wall, through sliding mechanism 200 and the inside of outer tube 110 sliding, can make internal structure complete presentation, it is convenient for maintenance personnel to carry out overall check and maintenance.

[0045] The gamma measurement probe mechanism 100 comprises two round covers 111, which are screwed on both sides of the outer tube 110, an annular hole 112 is formed on the outer wall of one side of the round cover 111, the ring frame 120 is slidably inserted into the annular hole 112, two square grooves 121 are formed on the outer wall of the ring frame 120 at equal angles, two square rods 113 are fixed on the inner wall of the annular hole 112 at equal angles and are slidably inserted into the square grooves 121, and the sealing ring 122 is clamped in the annular hole 112. By tightly adhering to the inner wall of the drill collar through the sealing ring 122, the intrusion of impurities such as drilling fluid and high-pressure gas between the two round covers 111 can be effectively resisted, and the internal electronic components can be prevented from being corroded and short-circuited, thereby greatly improving the reliability and service life of the instrument.

[0046] Specifically, during operation, personnel install the Nai scintillation crystal, photomultiplier tube and other components on the corresponding bracket 310, place the bracket 310 into the half tube frame two 220, insert the square frame 311 into the square groove two 221, and when the component installation is completed, splice the half tube frame one 210 and the half tube frame two 220, insert the round rod 230 into the inside of the round hole one 214 and the round hole two 216 along the inside of the round hole one 214 and the round hole two 216, and twist the hexagonal groove block 231 with a wrench to fix one end of the round rod 230 with the threaded groove two 222 inside, so as to limit the half tube frame one 210 and the half tube frame two 220. After splicing the half tube frame one 210 and the half tube frame two 220 together, threaded grooves one 114 are arranged at both sides in the outer tube 110, personnel insert the sliding mechanism 200 into the outer tube 110 along one end of the outer tube 110, keep the sliding mechanism 200 stationary, rotate the outer tube 110 and the one end of the sliding mechanism 200 to screw, separate the one end of the sliding mechanism 200 from the threaded groove one 114 at one end of the outer tube 110 after the one end of the sliding mechanism 200 enters the outer tube 110, push the sliding mechanism 200 into the outer tube 110, make the other end threaded frame 211 screw with the corresponding threaded groove one 114, limit the sliding mechanism 200 in the outer tube 110, screw and fix the round cover 111 with one end of the outer tube 110, and push the installed outer tube 110 into the drill collar for limiting. When one end of the round cover 111 contacts the centralizer, the ring frame 120 will be extruded to slide into the annular hole 112, the ring frame 120 extrudes the sealing ring 122, and the sealing ring 122 expands outwardly to tightly adhere to the inner wall of the drill collar. Embodiment one

[0047] As Figures 4-7As shown, in this embodiment, the sliding mechanism 200 includes: two circular holes 214, which are equally spaced at one end of the semi-tube frame 220; several square rods 215, which are equally spaced and fixed at both ends of the semi-tube frame 210, with circular holes 216 on their outer walls; several square grooves 221, which are equally spaced at both ends of the semi-tube frame 220, and which are inserted into the square rods 215; and a round rod 230, which slides through the circular holes 214. Between 14 and the inside of the second round hole 216, and one end of the round rod 230 is fixedly connected to a hexagonal groove block 231, and two threaded grooves 222 are provided, which are respectively opened on the inner wall of one side of two square grooves 221, and the inside of the threaded grooves 222 is screwed to one end of the round rod 230. The limiting frame mechanism 300 includes: a bracket 310, which slides inside the second half tube frame 220, and two square frames 311, which are respectively fixed at both ends of the bracket 310, and the outer wall of the square frame 311 is inserted into the inside of the square groove 221.

[0048] In this embodiment, personnel install components such as the Nai scintillation crystal and photomultiplier tube onto their respective brackets 310. The brackets 310 are then placed inside the second half-tube frame 220, and the square frame 311 is inserted into the square slot 221. After the components are installed, the first half-tube frame 210 and the second half-tube frame 220 are joined together, allowing the square rod 215 to be inserted into the corresponding square slot 221. The round rod 230 is then inserted through the round holes 214 and 216, and the hexagonal slot block 231 is turned with a wrench to screw one end of the round rod 230 into the threaded slot 222 for fixation, thus limiting the connection between the first half-tube frame 210 and the second half-tube frame 220. The system can be spliced ​​by setting up half-pipe frame one 210 and half-pipe frame two 220. Several limit frame mechanisms 300 are inserted between half-pipe frame one 210 and half-pipe frame two 220, which can accurately locate and replace faulty parts individually, greatly improving maintenance efficiency, reducing maintenance time and cost, and reducing drilling operation stoppages caused by equipment failure. There is no need to disassemble the internal parts one by one. Sealing gaskets are set on the contact surfaces between half-pipe frame one 210 and half-pipe frame two 220, and the square frame 311 is snapped into the square groove two 221. The tight fit between half-pipe frame one 210 and half-pipe frame two 220 effectively prevents parts from loosening and improves working stability.

[0049] like Figures 2-4 As shown, in this embodiment, the sliding mechanism 200 includes: a threaded frame 211, which is provided in two sets and is fixed on the outer wall of the first half-tube frame 210 and the second half-tube frame 220 respectively, and the outer wall of the threaded frame 211 is screwed into the threaded groove 114; and an arc-shaped groove 213, which is provided in four sets and is respectively opened on the outer wall at both ends of the first half-tube frame 210 and the second half-tube frame 220.

[0050] In practice, after assembling the first half-pipe support 210 and the second half-pipe support 220, threaded grooves 114 are provided on both sides inside the outer pipe 110. The sliding mechanism 200 is inserted into one end of the outer pipe 110. Keeping the sliding mechanism 200 stationary, the outer pipe 110 is rotated to engage with one end of the sliding mechanism 200. After one end of the sliding mechanism 200 enters the outer pipe 110, it separates from the threaded groove 114 at one end of the outer pipe 110. The sliding mechanism 200 is then pushed further into the outer pipe 110, causing the other end of the threaded support 211 to engage with the corresponding threaded groove 114, thus confining the sliding mechanism 200 within the outer pipe 110. This is achieved through the sliding mechanism... The sliding mechanism 200 and the outer tube 110 slide internally, allowing the internal structure to be fully exposed, facilitating comprehensive inspection and maintenance by maintenance personnel. Technicians can directly observe the connection status of each component and the integrity of the wiring, quickly identify potential hazards, prevent malfunctions in advance, and ensure the stable operation of the gamma measurement probe mechanism 100 downhole. The sliding mechanism 200 can be sealed and limited by rotating inside the outer tube 110, making operation simple and convenient and effectively preventing component shaking. An arc-shaped groove 213 is provided on the outer wall of the threaded frame 211. During disassembly, a wrench is used to clamp between the two arc-shaped grooves 213 to limit the sliding mechanism 200, and the outer tube 110 can be twisted. Example 2

[0051] like Figures 5-7 As shown, in this embodiment, the gamma measurement probe mechanism 100 includes: two round covers 111, which are screwed onto both sides of the outer tube 110 respectively; an annular hole 112, which is opened on the outer wall of one side of the round cover 111, and a ring frame 120 is slidably inserted into the annular hole 112, and two square grooves 121 are opened at equal angles on the outer wall of the ring frame 120; two square rods 113, which are fixed at equal angles on the inner wall of the annular hole 112, and the square rods 113 are slidably inserted into the square grooves 121; and a sealing ring 122, which is snapped into the annular hole 112.

[0052] In practice, the installed outer tube 110 is pushed into the drill collar for positioning. When one end of the round cover 111 contacts the stabilizer, the ring frame 120 is squeezed into the annular hole 112 and slides. The ring frame 120 squeezes the sealing ring 122, causing the sealing ring 122 to expand outward from the annular hole 112 and fit tightly against the inner wall of the drill collar. By tightly fitting the inner wall of the drill collar with the sealing ring 122, it can effectively prevent impurities such as drilling fluid and high-pressure gas from entering between the two round covers 111, prevent internal electronic components from being corroded or short-circuited, greatly improve the reliability and service life of the instrument, and avoid measurement data deviation or equipment damage caused by seal failure.

[0053] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0054] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A natural gamma ray measurement probe for a borehole surveying while drilling, characterized in that, Include: Gamma measurement probe pipe mechanism, including outer tube, both sides of the inner wall of the outer tube are provided with thread groove one; Sliding mechanism, including half pipe frame one and half pipe frame two, sliding mechanism is screwed in the inner part of the outer tube, which can slide with the outer tube, which is convenient for maintenance and inspection of parts; Limit frame mechanism, provided with a plurality of, inserted into the sliding mechanism, can individually disassemble the local parts.

2. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 1, characterized in that, Gamma measurement probe pipe mechanism includes: Round cover, provided with two, respectively screwed in the outer tube on both sides.

3. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 2, characterized in that, Gamma measurement probe pipe mechanism includes: Annular hole, provided on the outer wall of one side of the round cover, the annular hole is slidably inserted with a ring frame, the outer wall of the ring frame is equally angularly provided with two square grooves one; Square rod one, provided with two, fixed on the inner wall of the annular hole at equal angles, the square rod one is slidably inserted into the square groove one; Sealing ring, inserted into the annular hole.

4. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 3, characterized in that, Sliding mechanism includes: Threaded frame, provided with two groups, respectively fixed on the outer wall of the half pipe frame one and the half pipe frame two, the outer wall of the threaded frame is screwed with the threaded groove one; Arcuate slot, provided with four, respectively provided on the half pipe frame one and the half pipe frame two on the outer wall at both ends.

5. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 4, characterized in that, Sliding mechanism includes: Round hole one, provided with two, equally angularly provided on one end of the half pipe frame two; Square rod two, provided with a plurality of, respectively fixed on both ends of the half pipe frame one at equal intervals, the outer wall of the square rod two is provided with round hole two; Square groove two, provided with a plurality of, respectively provided at equal intervals on both ends of the half pipe frame two, the square groove two is inserted into the square rod two.

6. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 5, characterized in that, Sliding mechanism includes: Round rod, sliding between the round hole one and the round hole two, one end of the round rod is fixedly connected with a hexagonal groove block; Threaded groove two, provided with two, respectively provided on the inner wall of two square grooves two, the threaded groove two is screwed with one end of the round rod.

7. The natural gamma ray measurement probe for a while-drilling inclinometer according to claim 6, characterized in that, Limit frame mechanism includes: Support, sliding in the half pipe frame two; Square frame, provided with two, respectively fixed on both ends of the support, the outer wall of the square frame is inserted into the square groove two.

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