Geosteering orientation while drilling device

Abstract

The utility model discloses a geosteering orientation-while-drilling device which comprises an orientation-while-drilling device body and a convenient belt assembly. The convenient belt assembly is arranged on the orientation while drilling device body; the portable belt assembly comprises a fixing plate A, a fixing plate B, a lug plate A, a lug plate B, a portable belt, a connecting rod and a through hole groove. The two fixing plates A and the two fixing plates B are symmetrically arranged on the circumferential face of the orientation while drilling device body in a linear array mode. The two lug plates A and the two lug plates B are symmetrically and fixedly arranged on the two sides of the fixing plate A and the fixing plate B respectively; the two ends of the portable belt are fixedly connected with the two fixing plates A; the connecting rod is rotationally arranged on the side, close to the lug plate B, of the lug plate A through a damping rotating shaft; a through hole groove is formed in the lug plate B, and the lug plate B is in sliding fit with the connecting rod. The geosteering orientation while drilling device is simple and reasonable in structure and ingenious in design, the orientation while drilling device body can be carried through the portable carrying device, and the portability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum exploration, specifically is a geological orientation while drilling direction finder. BACKGROUND

[0002] In recent years, the horizontal well construction technology develops rapidly in China, and the geological orientation technology is widely applied. The geological orientation refers to the measurement and control technology of adjusting the well trajectory in real time during the drilling process of the horizontal well according to various geological data, while-drilling logging and measurement data. This technology can improve the construction efficiency and effect of the horizontal well and fully play the value of the geological orientation technology, laying a foundation for the good development of the horizontal well construction work.

[0003] At present, in the prior art, the LWD instrument (also known as the directional instrument in the industry) is used to record data in real time, and the directional instrument and the gamma probe are assembled together on the ground, so that the high edge of the directional instrument and the high edge of the gamma probe are in the same direction. In the subsequent drilling process of the directional drilling tool, when the directional instrument is rotated to the directly above or directly below position, the up / down gamma value measured by the gamma probe can be transmitted to the display, and the up / down gamma curve is formed to judge the up / down cutting of the drill bit in the coal, and then the drill bit is adjusted in time to return to the target layer.

[0004] A directional instrument provided by a Chinese utility model patent with publication number CN202648667U includes a seat plate, the seat plate is provided with direction marks of four directions of southeast, southwest, northwest and northeast on the upper surface, and a rotatable stand is vertically arranged on the seat plate, and a pointing needle is arranged on the stand vertically with the stand. A turntable is arranged in the middle of the seat plate, the stand is installed on the turntable, and the seat plate is a square wooden plate. The directional instrument is made of easily obtained wood, has a simple structure, low cost and is easy to manufacture. The pointing needle represents the user himself, and the accurate direction of the human body can be determined by means of the sun direction. The directional instrument is practical, easy to understand and easy to popularize and apply on a large scale.

[0005] In the process of oil exploration, it is necessary to use a while-drilling direction finder to measure and adjust the direction of the drilling tool in real time during the drilling process to ensure that the drilling is carried out according to the predetermined trajectory. The existing while-drilling direction finder has poor portability because of its long length and cylindrical shape, which brings inconvenience to the staff and affects the use effect of the while-drilling direction finder. UTILITY MODEL CONTENTS

[0006] To achieve the above object, the utility model provides the following technical scheme: a geological direction while drilling direction finder, including while drilling direction finder body and portable subassembly, the portable subassembly is arranged on while drilling direction finder body, the portable subassembly includes fixed plate A, fixed plate B, ear plate A, ear plate B, portable belt, connecting rod and through hole groove, two fixed plate A and two fixed plate B are linear array symmetry and are established on the circumferential surface of while drilling direction finder body, two ear plate A and two ear plate B are symmetrically fixed and set up on both sides of fixed plate A and fixed plate B, the both ends of portable belt are fixedly connected with two fixed plate A, the connecting rod is rotatably arranged on the side of ear plate A close to ear plate B through damping pivot, the through hole groove is seted up on ear plate B and is slidably matched with connecting rod.

[0007] In the above technical scheme, preferably, the fixed plate A and the fixed plate B are both arc structures, and the fixed plate A and the fixed plate B form a complete circular ring structure.

[0008] In the above technical scheme, preferably, the connecting rod is a T-shaped structure with a small upper part and a large lower part, the vertical rod height dimension of the connecting rod is matched with the height dimension of the ear plate B, and the horizontal plate of the connecting rod is in contact with the ear plate B.

[0009] In the above technical scheme, preferably, the portable subassembly further includes an abutting groove, a spring and an abutting block, the side of the fixed plate B close to the fixed plate A is provided with the abutting groove, one end of the spring is fixedly connected with the inner wall of the abutting groove, the abutting block is slidably arranged in the abutting groove and is fixedly connected with the other end of the spring, and the abutting block is in contact with the fixed plate A.

[0010] In the above technical scheme, preferably, the positioning assembly further includes a positioning groove and a positioning block, four positioning grooves are linearly and symmetrically arranged on the circumferential surface of the while drilling direction finder body, and two positioning blocks are fixedly arranged on the inner surfaces of the fixed plate A and the fixed plate B.

[0011] In the above technical scheme, preferably, the positioning block is a circular truncated cone structure, and the size of the side of the positioning block close to the fixed plate A or the fixed plate B is greater than the size of the side of the positioning block away from the fixed plate A or the fixed plate B.

[0012] In the above technical scheme, preferably, the positioning block is a circular truncated cone structure, and the size of the side of the positioning block close to the fixed plate A or the fixed plate B is greater than the size of the side of the positioning block away from the fixed plate A or the fixed plate B.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a portable carrying convenient belt assembly is set up, and the fixed plate A is contacted with the directional instrument body circumference surface of drilling along with, then, the connecting rod is passed through the through hole groove, and makes the abutment block extrusion ear plate A, makes the abutment block slide in the abutment groove, and the spring force contraction is straight to the ear plate A and ear plate B contact, at this moment, the connecting rod is rotated, and the connecting rod passes through the rotation of the damping pivot, and the connecting rod horizontal plate and ear plate B contact, at this moment, owing to the relative force of spring contraction, can make the connecting rod horizontal plate and ear plate B contact more stable, then, through portable carrying convenient belt, the directional instrument body of drilling along can be carried, and when using the directional instrument body of drilling along, removes fixed plate A and fixed plate B from the directional instrument body of drilling along, can, relative to prior art, the utility model discloses simple and reasonable structure, clever design can carry the directional instrument body of drilling along through portable carrying convenient belt, and the portable nature is stronger.

[0015] 2. The utility model discloses a positioning assembly is set up, and the position of fixed plate A and fixed plate B can be fixed to guarantee the stability of the directional instrument body of drilling along with the cooperation of the positioning block and the positioning slot, by setting up the positioning block as the circular truncated cone structure, not only can the positioning block be inserted into the positioning slot conveniently, but also, it is convenient to clean the earth in the positioning slot, and it is convenient to carry the directional instrument body of drilling along next time. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure cross section view of the utility model;

[0018] Figure 3 It is the directional instrument body of drilling along of the utility model schematic diagram;

[0019] Figure 4 It is the partial structure split cross section view of the utility model;

[0020] Figure 5 It is the Figure 2 Enlarged schematic diagram of A place in the middle.

[0021] In the drawing:

[0022] 1, the directional instrument body of drilling along; 2, portable carrying convenient belt assembly; 201, fixed plate A; 202, fixed plate B; 203, ear plate A; 204, ear plate B; 205, portable carrying convenient belt; 206, connecting rod; 207, through hole groove; 208, abutment groove; 209, spring; 210, abutment block; 3, positioning assembly; 301, positioning slot; 302, positioning block. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a geological direction while drilling direction instrument, including while drilling direction instrument body 1 and portable subassembly 2, portable subassembly 2 is arranged on while drilling direction instrument body 1, portable subassembly 2 includes fixed plate A 201, fixed plate B 202, ear plate A 203, ear plate B 204, portable 205, connecting rod 206, through hole groove 207, abutment groove 208, spring 209 and abutment block 210, two fixed plate A 201 and two fixed plate B 202 are linear array symmetry and are equipped on the circumference of while drilling direction instrument body 1, two ear plate A 203 and two ear plate B 204 are symmetrically fixed and set up on the both sides of fixed plate A 201 and fixed plate B 202 respectively, portable 205 both ends are fixedly connected with two fixed plate A 201, connecting rod 206 is rotatably arranged in ear plate A 203 close to ear plate B 204 side through damping pivot, ear plate B 204 is provided with through hole groove 207 and is slidably connected with connecting rod 206, fixed plate A 201 and fixed plate B 202 are arc structures, and fixed plate A 201 and fixed plate B 202 form complete annular structure, connecting rod 206 is T type structure that is small on top, big below, connecting rod 206 vertical rod height size is compatible with ear plate B 204 height size, and connecting rod 206 horizontal plate is contacted with ear plate B 204, to facilitate the fixed plate A 201 and fixed plate B 202 are fixed, fixed plate B 202 is provided with abutment groove 208 close to fixed plate A 201 side, spring 209 one end is fixedly connected with the inner wall of abutment groove 208, abutment block 210 is slidably arranged in abutment groove 208 and is fixedly connected with the other end of spring 209, and abutment block 210 is contacted with fixed plate A 201.

[0025] This invention, through the installation of a carrying strap assembly 2, brings the fixing plate A201 into contact with the circumferential surface of the drilling directional instrument body 1. Then, the connecting rod 206 is passed through the through-hole groove 207, and the abutment block 210 presses against the ear plate A203, causing the abutment block 210 to slide within the abutment groove 208. This causes the spring 209 to contract under force until the ear plate A203 contacts the ear plate B204. At this point, rotating the connecting rod 206 causes it to rotate via the damping shaft, bringing the horizontal plate of the connecting rod 206 into contact with the ear plate B204. When the spring 209 contracts, the relative force generated makes the horizontal plate of the connecting rod 206 and the ear plate B204 more stable. Then, the drilling directional instrument body 1 can be carried by the portable 205. When using the drilling directional instrument body 1, the fixing plate A201 and fixing plate B202 can be removed from the drilling directional instrument body 1. Compared with the prior art, the present invention has a simple and reasonable structure and ingenious design. The drilling directional instrument body 1 can be carried by the portable 205, which makes it highly portable.

[0026] As a preferred embodiment, it also includes a positioning component 3; the positioning component 3 is arranged on the ear plate A203 and the ear plate B204; the positioning component 3 includes a positioning groove 301 and a positioning block 302; four positioning grooves 301 are symmetrically arranged in a linear array on the circumferential surface of the drilling directional instrument body 1; two positioning blocks 302 are respectively fixed on the inner surfaces of the fixing plate A201 and the fixing plate B202, and the positioning blocks 302 are inserted into the positioning grooves 301; the positioning blocks 302 have a frustum-shaped structure, and the dimension of the side of the positioning block 302 near the fixing plate A201 or the fixing plate B202 is larger than the dimension of the side of the positioning block 302 away from the fixing plate A201 or the fixing plate B202; when the fixing plate A201 or the fixing plate B202 is in contact with the circumferential surface of the drilling directional instrument body 1, the end face of the positioning block 302 is in contact with the inner wall of the positioning groove 301, and the horizontal plate of the connecting rod 206 is in contact with the ear plate B204.

[0027] This utility model, by setting a positioning component 3, utilizes the insertion and cooperation of positioning block 302 and positioning groove 301 to fix the positions of fixing plate A201 and fixing plate B202, thereby ensuring the stability of the drilling directional instrument body 1. By setting the positioning block 302 as a frustum structure, it is not only convenient to insert the positioning block 302 into the positioning groove 301, but also convenient to clean the soil in the positioning groove 301, making it convenient to carry the drilling directional instrument body 1 next time.

[0028] Working principle: in use, first, the fixed plate A201 and the body 1 of the while drilling direction instrument are in contact, and the locating block 302 on the fixed plate A201 is inserted into the locating groove 301, then the connecting rod 206 is inserted into the through hole groove 207, and the abutting block 210 is pressed against the ear plate A203, so that the abutting block 210 slides in the abutting groove 208, and the spring 209 is forced to shrink until the ear plate A203 is in contact with the ear plate B204, at this time, the locating block 302 on the fixed plate B202 is inserted into the locating groove 301, then the connecting rod 206 is rotated, so that the connecting rod 206 is rotated through the damping rotating shaft, and the horizontal plate of the connecting rod 206 is in contact with the ear plate B204, at this time, due to the relative force generated by the contraction of the spring 209, the horizontal plate of the connecting rod 206 can be more stable in contact with the ear plate B204, then the portable carrying 205 can be used to carry the body 1 of the while drilling direction instrument, and when the body 1 of the while drilling direction instrument is used, the fixed plate A201 and the fixed plate B202 are removed from the body 1 of the while drilling direction instrument.

[0029] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A geosteering while-drilling direction finder, characterized in that, The utility model provides a portable belt assembly of a while drilling direction finder, which comprises a while drilling direction finder body (1) and a portable belt assembly (2), wherein the portable belt assembly (2) is arranged on the while drilling direction finder body (1); the portable belt assembly (2) comprises a fixed plate A (201), a fixed plate B (202), an ear plate A (203), an ear plate B (204), a portable belt (205), a connecting rod (206) and a through hole groove (207); two fixed plate A (201) and two fixed plate B (202) are linearly arrayed and symmetrically arranged on the circumferential surface of the while drilling direction finder body (1); two ear plate A (203) and two ear plate B (204) are symmetrically fixed on the two sides of the fixed plate A (201) and the fixed plate B (202) respectively; the two ends of the portable belt (205) are fixedly connected with the two fixed plate A (201); the connecting rod (206) is rotatably arranged on the side of the ear plate A (203) close to the ear plate B (204) through a damping rotating shaft; the through hole groove (207) is formed in the ear plate B (204) and is in sliding fit with the connecting rod (206).

2. A geosteering while-drilling direction finder according to claim 1, characterized in that, The fixed plate A (201) and the fixed plate B (202) are both arc-shaped structures, and the fixed plate A (201) and the fixed plate B (202) form a complete annular structure.

3. A geosteering while drilling direction indicator according to claim 1, characterized in that, The connecting rod (206) is a T-shaped structure with a small upper part and a large lower part, the vertical rod height dimension of the connecting rod (206) is matched with the height dimension of the ear plate B (204), and the horizontal plate of the connecting rod (206) is in contact with the ear plate B (204).

4. A geosteering while-drilling direction finder according to claim 2, characterized in that, The portable belt assembly (2) further comprises an abutting groove (208), a spring (209) and an abutting block (210); the side of the fixed plate B (202) close to the fixed plate A (201) is provided with the abutting groove (208); one end of the spring (209) is fixedly connected with the inner wall of the abutting groove (208); the abutting block (210) is slidably arranged in the abutting groove (208) and is fixedly connected with the other end of the spring (209), and the abutting block (210) is in contact with the fixed plate A (201).

5. A geosteering while drilling direction indicator according to claim 3, characterized in that, The utility model further comprises a positioning assembly (3), which is arranged on the ear plate A (203) and the ear plate B (204).

6. A geosteering while-drilling direction indicator according to claim 5, characterized in that, The positioning assembly (3) comprises a positioning groove (301) and a positioning block (302); four positioning grooves (301) are linearly arrayed and symmetrically formed on the circumferential surface of the while drilling direction finder body (1); two positioning blocks (302) are fixedly arranged on the inner surfaces of the fixed plate A (201) and the fixed plate B (202) respectively, and the positioning block (302) is in plug fit with the positioning groove (301).

7. A geosteering while drilling direction indicator according to claim 6, characterized in that, The positioning block (302) is a circular truncated cone structure, and the size of the side of the positioning block (302) close to the fixed plate A (201) or the fixed plate B (202) is greater than the size of the side of the positioning block (302) away from the fixed plate A (201) or the fixed plate B (202).

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