Formation tester with multi-cavity structure

Abstract

The utility model relates to the technical field of petroleum exploration instruments, and discloses a formation tester with a multi-cavity structure, which comprises a machine body, the left end of the machine body is provided with a machine shell, the upper end of the machine shell is rotatably connected with a valve, the bottom end of the valve is fixedly connected with a circular gear, and the left end and the right end of the machine shell are slidably connected with sawtooth racks. The circular gear is connected with the sawtooth strip in a meshed mode, a connecting plate is fixedly connected to the bottom end of the sawtooth strip, a clamping ring is fixedly connected to the bottom of the connecting plate, and a plurality of pressure applying springs are fixedly connected to the left side of the machine shell. According to the utility model, the valve is rotated to drive the circular gear to rotate, so that the circular gear drives the sawtooth rack to move, the connecting plate drives the clamping ring to move, and the pressing spring and the clamping block are preliminarily fixed, so that the installation is convenient, the installation time is shortened, the working efficiency is improved, and the problems of long installation time, high efficiency and the like are solved. And the working efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum surveying instrument technical field especially relates to stratum tester with multi -chamber structure. BACKGROUND

[0002] Stratum refers to the crust in a certain layer or a group of rock, and stratum is like the pages of the earth, each layer records the geological history, environmental change and biological evolution of the earth in different periods, and each layer has its unique composition, structure and formation process.

[0003] The stratum tester is used for testing various physical and chemical properties of the downhole stratum during the exploration and development of oil and gas, and it can obtain the information of key parameters such as stratum pressure, fluid sample and stratum permeability without taking out a large amount of stratum fluid to the ground.

[0004] The stratum tester with multi -chamber structure in the prior art can simulate the complex pressure environment in the well by constructing different chambers, so that the performance of the perforating equipment under the actual working condition can be detected more accurately, the multi -chamber structure can control and monitor the pressure change of each chamber respectively, but if the chamber for measuring the original fluid pressure of the stratum leaks with another chamber for injecting test fluid, the measured pressure data will be distorted, and the original pressure condition of the stratum cannot be truly reflected, the prior art seals by increasing a sealing ring, but the installation is complex, which leads to a long installation time and reduces the work efficiency. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a stratum tester with multi -chamber structure, which aims at improving the problem that the installation time is long and the work efficiency is reduced in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: the stratum tester with multi -chamber structure comprises a machine body, a machine shell is arranged at the left end of the machine body, a valve is rotatably connected to the upper end of the machine shell, a circular gear is fixedly connected to the bottom end of the valve, a sawtooth rack is slidably connected to the left and right ends of the machine shell, the circular gear is meshed with the sawtooth rack, a connecting plate is fixedly connected to the bottom end of the sawtooth rack, a clamping ring is fixedly connected to the bottom of the connecting plate, a plurality of pressure springs are fixedly connected to the left side of the machine shell, a clamping block is fixedly connected to the other end of the pressure spring, a docking device is arranged on the left side of the machine shell, a plurality of clamping columns are fixedly connected to the right end of the docking device, a clamping pipe is fixedly connected to the right side of the docking device, the clamping pipe is slidably connected with the machine shell, a chamber mechanism is arranged at the right end of the machine body, and the chamber mechanism is used for assembling cable threading, installation, debugging and maintenance and on-site use.

[0007] As a further description of the above technical solutions:

[0008] The chamber mechanism comprises a chamber groove one, the chamber groove one is opened in the right end front side of the body, the right side of the front end of the body is provided with a chamber groove two, the right end front side of the body is provided with a chamber groove three, the middle lower part of the body is provided with a chamber groove four, the bottom of the chamber groove four is provided with a chamber groove five, the right end bottom of the body is provided with a chamber groove six, the right side of the middle lower part of the body is provided with a chamber groove seven, the right side of the rear end of the body is provided with a chamber groove eight, the right end rear side of the body is provided with a chamber groove nine, the right end of the body is provided with a through cavity groove one, the right side of the upper end of the body is provided with a chamber groove ten, and the inside of the body is provided with a through cavity groove two.

[0009] As a further description of the above technical solutions:

[0010] The left side of the upper end of the body is provided with a butt joint groove, and the inside of the butt joint groove is provided with a threaded groove one.

[0011] As a further description of the above technical solutions:

[0012] The upper end of the body is provided with a mounting groove, and the inside of the mounting groove is provided with a threaded groove two.

[0013] As a further description of the above technical solutions:

[0014] The right side of the upper end of the body is provided with a plurality of switching grooves, and the inside of the plurality of switching grooves is provided with a threaded groove three.

[0015] As a further description of the above technical solutions:

[0016] The right end of the body is provided with a placing groove, and the inside of the placing groove is provided with a threaded groove four.

[0017] As a further description of the above technical solutions:

[0018] The front end of the body is provided with a front side groove, and the rear end of the front side groove is provided with an observation groove.

[0019] As a further description of the above technical solutions:

[0020] The left side of the upper end of the body is provided with a clamping groove.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a convenient installation reduces the installation time and improves work efficiency, solves the problem of long installation time and reduces work efficiency.

[0023] 2. The utility model discloses a plurality of chamber grooves, axial holes and angle holes butt joint structure and process adopt gun drill processing, which ensures the intercommunication between holes and facilitates the use of domestic product cable connection. DRAWINGS

[0024] Figure 1 The utility model provides a stereogram of the stratum tester with the multi-cavity structure;

[0025] Figure 2 The utility model provides a front view of the stratum tester with the multi-cavity structure;

[0026] Figure 3 The utility model provides a sectional view of the stratum tester with the multi-cavity structure;

[0027] Figure 4 The utility model provides a partial structure explosion drawing of the stratum tester with the multi-cavity structure;

[0028] Figure 5 The utility model provides a side view of the stratum tester with the multi-cavity structure.

[0029] Legend:

[0030] 1, machine body;2, chamber mechanism;201, chamber groove one;202, chamber groove two;203, chamber groove three;204, chamber groove four;205, chamber groove five;206, chamber groove six;207, chamber groove seven;208, chamber groove eight;209, chamber groove nine;210, through chamber groove one;211, chamber groove ten;212, through chamber groove two;3, clamping pipe;4, butt joint groove;5, thread groove one;6, installation groove;7, thread groove two;8, switching groove;9, thread groove three;10, placing groove;11, thread groove four;12, front side groove;13, observation groove;14, clamping groove;15, casing;16, valve;17, circular gear;18, sawtooth strip;19, connecting plate;20, collar;21, pressure spring;22, clamping block;23, butt joint equipment;24, clamping column. DETAILED DESCRIPTION

[0031] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described, 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 the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0032] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described, 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 the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application. Figure 1 Figure 4 The present application provides an embodiment: a formation tester with a multi-cavity structure, comprising a machine body 1, the left end of the machine body 1 is provided with a machine shell 15, the upper end of the machine shell 15 is rotatably connected with a valve 16, a power source is provided, the bottom end of the valve 16 is fixedly connected with a circular gear 17, the left and right ends of the machine shell 15 are both slidably connected with a sawtooth rack 18, the circular gear 17 is meshingly connected with the sawtooth rack 18, so that the transmission is more smooth, the bottom end of the sawtooth rack 18 is fixedly connected with a connecting plate 19, the bottom of the connecting plate 19 is fixedly connected with a clamping ring 20, the left side of the machine shell 15 is fixedly connected with a plurality of pressure springs 21, the other end of the pressure spring 21 is fixedly connected with a clamping block 22, the left side of the machine shell 15 is provided with a docking device 23, the right end of the docking device 23 is fixedly connected with a plurality of clamping columns 24, the right side of the docking device 23 is fixedly connected with a clamping pipe 3, the clamping pipe 3 is slidably connected with the machine shell 15, the right end of the machine body 1 is provided with a cavity mechanism 2, the cavity mechanism 2 is used for assembling cable threading, installation, debugging and maintenance and on-site use is faster; the left side of the upper end of the machine body 1 is provided with a docking groove 4, a thread groove one 5 is formed in the inside of the docking groove 4;

[0033] ​Specifically, when the formation tester with a multi-cavity structure is installed, first, the valve 16 on the upper side of the shell 15 is rotated to drive the circular gear 17 connected thereto to rotate, the sawtooth 18 is slidably connected to the left and right sides of the shell 15, so that the sawtooth 18 can move synchronously on the left and right sides of the shell 15, the rotation of the circular gear 17 directly drives the movement of the sawtooth 18, thereby achieving precise synchronous control, the lower side of the sawtooth 18 is fixed with a connecting plate 19, the main function of the connecting plate 19 is to connect and fix, to ensure the stability of the whole structure, another connecting plate 19 is also fixed below the sawtooth 18, the function of the connecting plate 19 is to clamping and fixing, further enhancing the firmness of the structure, a plurality of pressure springs 21 are fixed to the left side of the shell 15, one end of the pressure spring 21 is fixed to the shell 15, and the other end is fixed with a clamping block 22, the function of the clamping block 22 is to preliminarily fix, to ensure the stability during installation, an interfacing device 23 is also arranged on the left side of the shell 15, a plurality of clamping columns 24 are fixed to the right side of the interfacing device 23, the main function of the clamping column 24 is to fix, to ensure the tight connection between the interfacing device 23 and the shell 15, a clamping pipe 3 is also fixed to the right side of the interfacing device 23, the clamping pipe 3 also plays a fixing role, achieving the convenience of the installation process, and significantly reducing the time required for installation, thereby greatly improving the work efficiency, the upper left side of the body 1 is provided with an interfacing groove 4, and a threaded groove one 5 is also arranged in the interior of the interfacing groove 4, further improving the installation precision and stability of the whole equipment.

[0034] Referring to Figure 3 and Figure 5 , the chamber mechanism 2 comprises a chamber groove one 201, which is arranged on the right end of the front side of the body 1, a chamber groove two 202 is arranged on the right side of the front end of the body 1, a chamber groove three 203 is arranged on the right end of the front side of the body 1, a chamber groove four 204 is arranged on the middle lower part of the body 1, a chamber groove five 205 is arranged on the bottom of the chamber groove four 204, a chamber groove six 206 is arranged on the right end of the bottom of the body 1, a chamber groove seven 207 is arranged on the right side of the middle lower part of the body 1, a chamber groove eight 208 is arranged on the right side of the rear end of the body 1, a chamber groove nine 209 is arranged on the right end of the rear side of the body 1, a through cavity groove one 210 is arranged on the right end of the body 1, a chamber groove ten 211 is arranged on the right side of the upper end of the body 1, and a through cavity groove two 212 is arranged in the interior of the body 1; an installation groove 6 is arranged on the upper end of the body 1, and a threaded groove two 7 is arranged in the interior of the installation groove 6;

[0035] Specifically, in the operation process of the formation tester with a multi-cavity structure, each cavity realizes functions through specific through-cavity grooves and cavity grooves. The through-cavity groove two 212 has a diameter of 5.588 mm and a depth of 318.262 mm, the cavity groove eight 208 has a diameter of 5.588 mm and a depth of 288.29 mm, the cavity groove three 203 has a diameter of 5.588 mm and a depth of 361.95 mm, the cavity groove one 201 has a diameter of 7.925 mm and a depth of 554.99 mm, the cavity groove five 205 has a diameter of 5.588 mm and a depth of 396.494 mm, the cross-sectional angle is 7 degrees, the cavity groove four 204 has a diameter of 5.588 mm and a depth of 132.08 mm, the cross-sectional angle is 7 degrees, the cavity groove six 206 has a diameter of 5.588 mm and a depth of 415.798 mm, the cavity groove ten 211 has a diameter of 5.588 mm and a depth of 114.3 mm, the cavity groove seven 207 has a diameter of 5.588 mm and a depth of 205.232 mm, the cavity groove two 202 has a diameter of 5.588 mm and a depth of 586.994 mm, the through-cavity groove one 210 has a diameter of 16.002 mm and a depth of 152.4 mm, the angle is 15 degrees, and the cavity groove nine 209 has a diameter of 11.506 mm and a depth of 580.39 mm. The upper end of the body 1 is provided with a mounting groove 6, and the inside of the mounting groove 6 is provided with a threaded groove two 7.

[0036] With reference to Figure 1 and Figure 2 , a plurality of switching grooves 8 are formed on the right side of the upper end of the body 1, and a threaded groove three 9 is formed in the inside of the plurality of switching grooves 8; a placing groove 10 is formed on the right end of the body 1, a threaded groove four 11 is formed in the inside of the placing groove 10, and installation is performed; a front groove 12 is formed on the front end of the body 1, and an observation groove 13 is formed at the rear end of the front groove 12; and a clamping groove 14 is formed on the left side of the upper end of the body 1.

[0037] Specifically, a plurality of switching grooves 8 are formed on the right side of the upper end of the body 1, a threaded groove three 9 is formed in the inside of the switching grooves 8, a placing groove 10 is formed on the right end of the body 1, a threaded groove four 11 is formed in the inside of the placing groove 10, a front groove 12 is formed on the front end of the body 1, an observation groove 13 is formed at the rear end of the front groove 12, and a clamping groove 14 is formed on the left side of the upper end of the body 1.

[0038] Working principle: when the formation tester with multi-cavity structure is installed, by rotating the valve 16 on the shell 15, the valve 16 drives the circular gear 17 to rotate, the left and right edges of the shell 15 slide with the sawtooth 18, and synchronous movement is carried out, the sawtooth 18 is driven by the circular gear 17, the lower surface of the sawtooth 18 is fixed with the connecting plate 19, and the connecting action is carried out, the lower surface of the sawtooth 18 is fixed with the connecting plate 19, and the clamping and fixing are carried out, the left edge of the shell 15 is fixed with a plurality of pressure springs 21, the other end of the pressure spring 21 is fixed with the clamping block 22, and the preliminary fixing is carried out, the left edge of the shell 15 is provided with the butt joint equipment 23, the right edge of the butt joint equipment 23 is fixed with a plurality of clamping columns 24, and the fixing is carried out, the clamping pipe 3 is further fixed on the right edge of the butt joint equipment 23, and the fixing is carried out, so that the installation is convenient, the installation time is reduced, and the working efficiency is improved.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A formation testing device with a multi-cavity structure, comprising a body (1), characterized in that: The left end of the machine body (1) is provided with a housing (15). A valve (16) is rotatably connected to the upper end of the housing (15). A circular gear (17) is fixedly connected to the bottom end of the valve (16). A serrated rack (18) is slidably connected to both the left and right ends of the housing (15). The circular gear (17) meshes with the serrated rack (18). A connecting plate (19) is fixedly connected to the bottom end of the serrated rack (18). A retaining ring (20) is fixedly connected to the bottom of the connecting plate (19). Multiple actuators are fixedly connected to the left side of the housing (15). A compression spring (21) is provided, and a locking block (22) is fixedly connected to the other end of the compression spring (21). A docking device (23) is provided on the left side of the housing (15). A plurality of locking pins (24) are fixedly connected to the right end of the docking device (23). A locking tube (3) is fixedly connected to the right side of the docking device (23). The locking tube (3) is slidably connected to the housing (15). A chamber mechanism (2) is provided on the right end of the body (1). The chamber mechanism (2) is used to facilitate faster assembly, cable threading, installation, debugging, maintenance, and on-site use.

2. The formation tester with a multi-cavity structure according to claim 1, characterized in that: The chamber mechanism (2) includes a chamber slot one (201), which is located on the front right side of the body (1). A chamber slot two (202) is located on the right front side of the body (1). A chamber slot three (203) is located on the front right side of the body (1). A chamber slot four (204) is located in the lower middle part of the body (1). A chamber slot five (205) is located at the bottom of the chamber slot four (204). The bottom right side of the body (1) is located at the bottom. The machine body (1) has a six-chamber groove (206), a seven-chamber groove (207) on the lower right side of the middle part, a eight-chamber groove (208) on the right side of the rear end of the machine body (1), a nine-chamber groove (209) on the rear right side of the machine body (1), a through-cavity groove (210) on the right end of the machine body (1), a ten-chamber groove (211) on the right side of the upper end of the machine body (1), and a two-through-cavity groove (212) inside the machine body (1).

3. The formation tester with a multi-cavity structure according to claim 1, characterized in that: The upper left side of the body (1) is provided with a docking groove (4), and a threaded groove (5) is provided inside the docking groove (4).

4. The formation tester with a multi-cavity structure according to claim 1, characterized in that: The upper end of the body (1) is provided with a mounting groove (6), and the inside of the mounting groove (6) is provided with a threaded groove (7).

5. The formation tester with a multi-cavity structure according to claim 1, characterized in that: Multiple switching slots (8) are provided on the upper right side of the body (1), and threaded grooves (9) are provided inside the multiple switching slots (8).

6. The formation tester with a multi-cavity structure according to claim 1, characterized in that: The right end of the body (1) is provided with a placement groove (10), and the inside of the placement groove (10) is provided with a threaded groove (11).

7. The formation tester with a multi-cavity structure according to claim 1, characterized in that: The front end of the body (1) is provided with a front side groove (12), and the rear end of the front side groove (12) is provided with an observation groove (13).

8. The formation tester with a multi-cavity structure according to claim 1, characterized in that: A slot (14) is provided on the upper left side of the body (1).

Images