Observation tank device suitable for observing formation produced fluid in offshore testing process

Abstract

The utility model relates to the technical field of ocean oil testing, in particular to an observation tank device suitable for observing formation produced liquid in an offshore testing process, which comprises a tank body, a liquid inlet pipeline is communicated with the right side of the tank body, a liquid outlet pipeline is communicated with the bottom of the right side of the tank body, and a liquid outlet valve is communicated with the right side of the liquid outlet pipeline. Hinge type hatch covers are movably connected to the two sides of the top of the tank body, reinforcing ribs are fixedly connected to the surface of the tank body, lifting lugs are fixedly connected to the top of the tank body, and supporting steel is fixed to the bottom of the tank body. Through the arrangement of the tank body, the liquid inlet pipeline, the liquid outlet pipeline, the liquid outlet valve and the hinge type hatch cover, liquid flows to the high position of the tank body after entering the tank body through the liquid inlet pipeline, it is ensured that stratum produced liquid can fall into the liquid tank from the high position, the stratum fluid condition can be visually observed conveniently, the stratum fluid flowing condition can be directly observed conveniently, and the working efficiency is improved. And the physical property and the condition of formation liquid production are confirmed, and convenience is brought to ocean oil testing.

Description

Technical Field

[0001] The utility model relates to the technical field of marine oil testing, in particular to an observation tank device suitable for observing formation production fluid during offshore testing processes. Background Art

[0002] Formation fluid production observation in offshore testing technology is a key link in the formation testing process. Formation fluid production observation refers to the process of communicating the channel from the formation to the bottom of the well through drilling or after completion in offshore oil and gas exploration, inducing the formation fluid to flow to the ground, and observing, recording and analyzing the production, properties, pressure, temperature and other parameters of the formation fluid by using specific testing technology.

[0003] During the marine oil test, when the formation fluid does not contain hydrogen sulfide, it is generally necessary to visually observe the formation fluid production to confirm the physical properties and condition of the formation fluid. Generally, the metering tanks are closed tanks, and the formation fluid directly enters the metering tanks, which cannot be visualized and observed. Therefore, it is necessary for us to design an observation tank device suitable for offshore test process formation fluid observation to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an observation tank device suitable for observing formation fluid production in offshore testing processes, which has the advantages of being convenient for directly observing the formation fluid flow conditions and confirming the physical properties and conditions of the formation fluid production, thereby solving the problem that formation fluid production in offshore testing processes cannot be directly observed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an observation tank device suitable for observing formation fluid production in offshore testing processes, comprising a tank body, the right side of the tank body is connected to a liquid inlet pipeline, the bottom of the right side of the tank body is connected to a liquid outlet pipeline, the right side of the liquid outlet pipeline is connected to a liquid outlet valve, both sides of the top of the tank body are movably connected with hinged hatch covers, and the surface of the tank body is fixedly connected with reinforcing ribs.

[0006] Preferably, a lifting lug is fixedly connected to the top of the tank body, and a supporting steel is fixed to the bottom of the tank body.

[0007] Preferably, a clamping mechanism is installed on the surface of the support steel, and the clamping mechanism includes a threaded rod, which passes through the support steel and is movably connected to the support steel. The threaded sleeves on both sides of the surface of the threaded rod are provided with movable plates, and a clamping plate is provided at the bottom of the movable plate.

[0008] Preferably, the threads on both sides of the surface of the threaded rod have opposite rotation directions, and a turntable is fixedly connected to the right side of the threaded rod.

[0009] Preferably, the top of the splint is fixedly connected with an insertion block, the top of the insertion block extends to the interior of the movable plate, the surface of the movable plate is fixedly connected with a shell, the inner cavity of the shell is provided with a pull rod, one side of the pull rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with an insertion rod, one side of the insertion rod passes through the movable plate and extends to the interior of the insertion block.

[0010] Preferably, a spring is sleeved on the surface of the pull rod, one side of the spring is fixedly connected to the inner wall of the shell, the other side of the spring is fixedly connected to the connecting block, and one end of the pull rod passes through the outside of the shell and is fixedly connected to a pull plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model is provided with a tank body, a liquid inlet pipeline, a liquid outlet pipeline, a liquid outlet valve and a hinged hatch cover. After the liquid enters the tank body through the liquid inlet pipeline, it flows to the high part of the tank body, ensuring that the formation fluid can fall from the high part into the liquid tank, which is convenient for visual observation of the formation fluid situation, convenient for direct observation of the formation flow situation, confirmation of the physical properties and condition of the formation fluid production, and convenience for marine oil test.

[0013] 2. The utility model generates tension on the connecting block by setting a spring, so that the connecting block drives the plug rod to be tightly plugged with the plug block and is not easy to separate. By setting the plug block, the plug rod, the pull rod, the shell and the connecting block, the plug rod is plugged into the plug block, and the pull plate is pulled to drive the pull rod, the connecting block and the plug rod to move horizontally, so that the plug rod is separated from the plug block, which is convenient for disassembly and replacement of the splint. Splints of different shapes can be replaced according to needs, and components of different shapes can be adapted to be clamped in turn, so that the installation, positioning and replacement of the tank body are flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 For this utility model Figure 1 A is an enlarged schematic diagram of the local structure.

[0017] In the figure: 1. tank body; 2. liquid inlet pipeline; 3. liquid outlet pipeline; 4. liquid outlet valve; 5. hinged hatch cover; 6. reinforcing ribs; 7. lifting lugs; 8. supporting steel; 9. clamping mechanism; 90. threaded rod; 91. moving plate; 92. clamping plate; 93. turntable; 94. plug block; 95. shell; 96. pull rod; 97. connecting block; 98. plug rod; 99. spring. DETAILED DESCRIPTION

[0018] See also Figure 1 and Figure 2 An observation tank device suitable for observing formation production in offshore testing technology comprises a tank body 1, a liquid inlet pipeline 2 is connected to the right side of the tank body 1, a liquid outlet pipeline 3 is connected to the bottom of the right side of the tank body 1, a liquid outlet valve 4 is connected to the right side of the liquid outlet pipeline 3, hinged hatch covers 5 are movably connected to both sides of the top of the tank body 1, and reinforcing ribs 6 are fixedly connected to the surface of the tank body 1. By arranging the tank body 1, the liquid inlet pipeline 2, the liquid outlet pipeline 3, the liquid outlet valve 4 and the hinged hatch cover 5, the liquid enters the tank body 1 through the liquid inlet pipeline 2 and flows to the top of the tank body 1 to ensure that the formation production Liquid can fall from a high place into the liquid tank, which is convenient for visually observing the formation fluid situation, convenient for opening and closing the hinged hatch cover 5, and convenient for observing the liquid inside the tank body 1. After the hinged hatch cover 5 is closed, splashing of the lower liquid can be avoided, which is convenient for directly observing the formation flow situation and confirming the physical properties and condition of the formation production liquid, bringing convenience to the marine oil test. The curved neck outlet of the liquid outlet valve 4 is aligned with the large liquid tank mouth, ready for formation production inspection at any time, and discharge of the liquid in the tank into the large liquid tank. The unique design meets the need of the marine oil test process for visual and intuitive observation of formation production liquid.

[0019] See also Figure 1 The top of the tank body 1 is fixedly connected with a lifting lug 7, and the bottom of the tank body 1 is fixed with a supporting steel 8. By setting the lifting lug 7, it is convenient to lift the tank body 1 and install it above other large liquid tanks for use, which is convenient for transfer. By setting the supporting steel 8, the tank body 1 can be stably supported.

[0020] See also Figure 1 and Figure 3 A clamping mechanism 9 is installed on the surface of the supporting steel 8, and the clamping mechanism 9 includes a threaded rod 90. The threaded rod 90 penetrates the supporting steel 8 and is movably connected to the supporting steel 8. Threaded sleeves on both sides of the surface of the threaded rod 90 are provided with movable plates 91, and a clamping plate 92 is provided at the bottom of the movable plate 91. By arranging the threaded rod 90, the movable plate 91 and the clamping plate 92, the two clamping plates 92 can be driven to move laterally, so that the clamping plates 92 are close to the components and clamp the components, thereby stably installing the tank body 1 and improving the stability of the tank body 1.

[0021] See also Figure 1 The threads on both sides of the threaded rod 90 have opposite rotation directions, and a turntable 93 is fixedly connected to the right side of the threaded rod 90. By setting the turntable 93, the contact area with the hand is increased, which facilitates the rotation of the threaded rod 90.

[0022] See also Figure 3The top of the splint 92 is fixedly connected with an insertion block 94, and the top of the insertion block 94 extends to the interior of the movable plate 91. The surface of the movable plate 91 is fixedly connected with a shell 95. The inner cavity of the shell 95 is provided with a pull rod 96, and one side of the pull rod 96 is fixedly connected with a connecting block 97, and one side of the connecting block 97 is fixedly connected with an insertion rod 98. One side of the insertion rod 98 passes through the movable plate 91 and extends to the interior of the insertion block 94. By providing the insertion block 94, the insertion rod 98, the pull rod 96, the shell 95 and the connecting block 97, the insertion rod 98 is inserted into the inside of the insertion block 94 to fix the insertion block 94, and then the splint 92 is fixedly installed, and at the same time, it is convenient to disassemble and replace the splint 92. Splints 92 of different shapes can be replaced according to needs, and components of different shapes can be adapted to be clamped in turn, so that the installation, positioning and replacement of the tank body 1 are flexible.

[0023] See also Figure 3 A spring 99 is sleeved on the surface of the pull rod 96, one side of the spring 99 is fixedly connected to the inner wall of the shell 95, and the other side of the spring 99 is fixedly connected to the connecting block 97. One end of the pull rod 96 passes through the outside of the shell 95 and is fixedly connected to a pull plate. By setting the spring 99, tension is generated on the connecting block 97, prompting the connecting block 97 to drive the plug rod 98 to be tightly plugged into the plug block 94 and not easy to detach. By setting the pull plate, the contact area with the hand is increased, which makes it easy to pull the connecting block 97 and the plug rod 98 to move, and it is easy to disassemble the splint 92.

[0024] When in use, the liquid enters the tank body 1 through the liquid inlet pipeline 2 and flows to the upper part of the tank body 1, ensuring that the formation fluid can fall from the upper part into the liquid tank, which is convenient for visually observing the formation fluid situation. The hinged hatch 5 is opened to observe the liquid inside the tank body 1;

[0025] The tank body 1 is lifted and moved to the top of other large liquid tanks, the rotating turntable 93 drives the threaded rod 90 to rotate, the thread of the threaded rod 90 drives the moving plate 91 to move, the moving plate 91 drives the clamping plate 92 to move, so that the clamping plate 92 clamps the parts on the liquid tank to position and fix the tank body 1;

[0026] When replacing the splint 92, pull the pull plate to drive the pull rod 96 to move, the pull rod 96 drives the connecting block 97 to move, the connecting block 97 drives the insertion rod 98 to move, so that the insertion rod 98 is separated from the insertion block 94, and the splint 92 is moved downward to separate from the movable plate 91. Splints 92 of different shapes can be replaced to clamp parts of different shapes.

[0027] In summary: the observation tank device suitable for observing the formation fluid production in the offshore testing process solves the problem that the formation fluid production in the offshore testing process cannot be directly observed by arranging a tank body 1, a liquid inlet pipeline 2, a liquid outlet pipeline 3, a liquid outlet valve 4 and a hinged hatch cover 5.

Claims

1. An observation tank device suitable for observing formation fluid production in offshore testing processes, comprising a tank body (1), characterized in that: The right side of the tank body (1) is connected to a liquid inlet pipeline (2), the bottom of the right side of the tank body (1) is connected to a liquid outlet pipeline (3), the right side of the liquid outlet pipeline (3) is connected to a liquid outlet valve (4), both sides of the top of the tank body (1) are movably connected to hinged hatch covers (5), and the surface of the tank body (1) is fixedly connected to reinforcing ribs (6).

2. The observation tank device suitable for observing the formation production of offshore testing technology according to claim 1, characterized in that: The top of the tank body (1) is fixedly connected with a lifting lug (7), and the bottom of the tank body (1) is fixed with a supporting steel (8).

3. The observation tank device suitable for observing formation production in offshore testing process according to claim 2, characterized in that: A clamping mechanism (9) is installed on the surface of the support steel (8), and the clamping mechanism (9) includes a threaded rod (90). The threaded rod (90) passes through the support steel (8) and is movably connected to the support steel (8). Threaded sleeves on both sides of the surface of the threaded rod (90) are provided with movable plates (91), and a clamping plate (92) is provided at the bottom of the movable plate (91).

4. The observation tank device suitable for observing formation production in offshore testing process according to claim 3 is characterized by: The threads on both sides of the surface of the threaded rod (90) have opposite rotation directions, and a rotating disk (93) is fixedly connected to the right side of the threaded rod (90).

5. The observation tank device suitable for observing formation production in offshore testing process according to claim 3 is characterized by: The top of the clamping plate (92) is fixedly connected to an insert block (94), the top of the insert block (94) extends to the inside of the movable plate (91), the surface of the movable plate (91) is fixedly connected to a shell (95), the inner cavity of the shell (95) is provided with a pull rod (96), one side of the pull rod (96) is fixedly connected to a connecting block (97), one side of the connecting block (97) is fixedly connected to an insert rod (98), one side of the insert rod (98) passes through the movable plate (91) and extends to the inside of the insert block (94).

6. The observation tank device suitable for observing formation production in offshore testing process according to claim 5, characterized in that: A spring (99) is sleeved on the surface of the pull rod (96), one side of the spring (99) is fixedly connected to the inner wall of the shell (95), and the other side of the spring (99) is fixedly connected to the connecting block (97). One end of the pull rod (96) passes through the outside of the shell (95) and is fixedly connected to a pull plate.

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