Petroleum sampling device for petroleum geological exploration

Abstract

The utility model discloses a petroleum sampling device for petroleum geological exploration, which comprises a steel wire rope, a connecting ring I, a connecting ring II, a different-depth sampling structure and a gravity structure, the connecting ring I is arranged on the steel wire rope, the connecting ring II is connected to the connecting ring I, the different-depth sampling structure is arranged on the connecting ring II, and the gravity structure is arranged on the connecting ring II. The gravity structure is arranged on the different-depth sampling structure, the different-depth sampling structure comprises a sampling cover, a threaded pipe, an oil inlet, a plugging rubber head, a threaded seat, depth adjusting scales, a spring and an oil storage tank, the sampling cover is fixedly arranged on the second connecting ring, and the threaded pipe penetrates through the sampling cover. The utility model belongs to the technical field of petroleum equipment, in particular relates to a petroleum sampling device for petroleum geological exploration, and effectively solves the problems that the petroleum sampling device for geological exploration in the current market generally can only sample the surface of petroleum, has certain limitation in petroleum detection and is easy to mistakenly predict petroleum exploitation.

Description

Technical Field

[0001] The utility model belongs to the technical field of petroleum equipment, in particular to a petroleum sampling device for petroleum geological exploration. Background Art

[0002] Oil, known as the "blood of industry", is one of the most important energy sources in the world today and an important factor in provoking war. Oil is one of the main objects of geological exploration. During the oil exploration process, oil sampling and testing are required. The existing geological exploration oil sampling devices can generally only sample the surface of oil. Oil testing has certain limitations and is prone to mispredictions of oil extraction. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model proposes an oil sampling device for petroleum geological exploration, which effectively solves the problem that the oil sampling devices for geological exploration on the market can generally only sample the surface of oil, and there are certain limitations in oil detection, which is easy to make incorrect predictions about oil extraction.

[0004] The technical solution adopted by the utility model is as follows: The utility model proposes an oil sampling device for petroleum geological exploration, comprising a steel wire rope, a connecting ring 1, a connecting ring 2, a sampling structure with different depths and a gravity structure, wherein the connecting ring 1 is arranged on the steel wire rope, the connecting ring 2 is connected to the connecting ring 1, the sampling structure with different depths is arranged on the connecting ring 2, and the gravity structure is arranged on the sampling structure with different depths, the sampling structure with different depths comprises a sampling cover, a threaded tube, an oil inlet, a sealing rubber head, a threaded seat, a depth adjustment scale, a spring and an oil storage tank, the sampling cover is fixedly arranged on the connecting ring 2, the threaded tube is penetrated through the sampling cover, the oil inlet is penetrated through the sampling cover, the sealing rubber head is slidably arranged on the threaded tube, the threaded seat is threaded on the threaded tube, the depth adjustment scale is arranged on the threaded seat, one end of the spring is arranged on the threaded seat and the other end is arranged on the sealing rubber head, and the oil storage tank is threaded on the sampling cover.

[0005] Preferably, the gravity structure includes a connecting head and a gravity head, the connecting head is fixedly arranged on the oil storage tank, and the gravity head is threadedly arranged on the connecting head.

[0006] In order to better achieve the effect of regulating pressure, the spring is arranged between the sealing rubber head and the threaded seat, and the oil storage tank is arranged between the gravity head and the sampling cover.

[0007] In order to achieve the purpose of sampling more quickly, the oil inlet is arranged in parallel with the sealing rubber head, and the sealing rubber head is arranged in parallel with the threaded tube.

[0008] Furthermore, the sealing rubber head is sealed with the oil inlet.

[0009] The beneficial effects achieved by the utility model using the above structure are as follows: the scheme proposes an oil sampling device for petroleum geological exploration, in which the threaded seat is turned to push the spring, thereby adjusting the elastic force of the spring, so that under different pressures, the internal pressure of the oil can push the sealing rubber head to squeeze the spring, and the oil inlet is opened calmly, so that the oil can be poured into the oil storage tank for sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the overall structure of a petroleum sampling device for petroleum geological exploration proposed by the utility model;

[0011] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a petroleum sampling device for petroleum geological exploration.

[0012] Among them, 1. Wire rope, 2. Connecting ring 1, 3. Connecting ring 2, 4. Sampling structure at different depths, 5. Gravity structure, 6. Sampling cover, 7. Threaded pipe, 8. Oil inlet, 9. Sealing rubber head, 10. Threaded seat, 11. Depth adjustment scale, 12. Spring, 13. Oil storage tank, 14. Connecting head, 15. Gravity head.

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0015] like Figure 1 and Figure 2As shown, the utility model proposes an oil sampling device for oil geological exploration, comprising a steel wire rope 1, a connecting ring 1 2, a connecting ring 2 3, a sampling structure 4 at different depths and a gravity structure 5, wherein the connecting ring 1 2 is arranged on the steel wire rope 1, the connecting ring 2 3 is connected to the connecting ring 1 2, the sampling structure 4 at different depths is arranged on the connecting ring 2 3, the gravity structure 5 is arranged on the sampling structure 4 at different depths, and the sampling structure 4 at different depths comprises a sampling cover 6, a threaded tube 7, an oil inlet 8, and a sealing rubber head 9. , a threaded seat 10, a depth adjustment scale 11, a spring 12 and an oil storage tank 13, the sampling cover 6 is fixedly arranged on the connecting ring 2 3, the threaded tube 7 is penetrated by the sampling cover 6, the oil inlet 8 is arranged through the sampling cover 6, the sealing rubber head 9 is slidably arranged on the threaded tube 7, the threaded seat 10 is threaded on the threaded tube 7, the depth adjustment scale 11 is arranged on the threaded seat 10, one end of the spring 12 is arranged on the threaded seat 10 and the other end is arranged on the sealing rubber head 9, and the oil storage tank 13 is threaded on the sampling cover 6.

[0016] like Figure 2 As shown, the gravity structure 5 includes a connecting head 14 and a gravity head 15 . The connecting head 14 is fixedly arranged on the oil storage tank 13 , and the gravity head 15 is threadedly arranged on the connecting head 14 .

[0017] like Figure 2 As shown, the spring 12 is arranged between the sealing rubber head 9 and the threaded seat 10, and the oil storage tank 13 is arranged between the gravity head 15 and the sampling cover 6.

[0018] like Figure 2 As shown, the oil inlet 8 is arranged in parallel with the sealing rubber head 9, and the sealing rubber head 9 is arranged in parallel with the threaded tube 7.

[0019] like Figure 2 As shown, the sealing rubber head 9 is sealed with the oil inlet 8 .

[0020] During specific use, when the user uses this device, he first twists the threaded seat 10 to rotate the inner thread of the threaded tube 7, so that the threaded seat 10 pushes the spring 12 to expand and contract, so that the depth adjustment scale 11 on the threaded seat 10 is adjusted to the corresponding scale pressure, thereby achieving the corresponding depth pressure, and then the device is placed into the oil well through the wire rope 1. When the gravity head 15 drives the oil storage tank 13 into the oil, when the pressure reaches the corresponding depth, the sealing rubber head 9 pushes the extrusion spring 12. At this time, the oil enters the oil storage tank 13 through the oil inlet 8. When the use of entering the oil storage tank 13 is completed, the wire rope 1 is pulled to take out the oil sample in the oil storage tank 13. The above is the use process of the oil sampling device for petroleum geological exploration.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A petroleum sampling device for petroleum geological exploration, characterized in that: It includes a steel wire rope, a connecting ring 1, a connecting ring 2, a sampling structure with different depths and a gravity structure. The connecting ring 1 is arranged on the steel wire rope, the connecting ring 2 is connected to the connecting ring 1, the sampling structure with different depths is arranged on the connecting ring 2, and the gravity structure is arranged on the sampling structure with different depths. The sampling structure with different depths includes a sampling cover, a threaded tube, an oil inlet, a sealing rubber head, a threaded seat, a depth adjustment scale, a spring and an oil storage tank. The sampling cover is fixedly arranged on the connecting ring 2, the threaded tube is penetrated on the sampling cover, the oil inlet is penetrated through the sampling cover, the sealing rubber head is slidably arranged on the threaded tube, the threaded seat is threaded on the threaded tube, the depth adjustment scale is arranged on the threaded seat, one end of the spring is arranged on the threaded seat and the other end is arranged on the sealing rubber head, and the oil storage tank is threaded on the sampling cover.

2. The petroleum sampling device for petroleum geological exploration according to claim 1, characterized in that: The gravity structure comprises a connecting head and a gravity head. The connecting head is fixedly arranged on the oil storage tank, and the gravity head is threadedly arranged on the connecting head.

3. The petroleum sampling device for petroleum geological exploration according to claim 2, characterized in that: The spring is arranged between the sealing rubber head and the threaded seat, and the oil storage tank is arranged between the gravity head and the sampling cover.

4. The petroleum sampling device for petroleum geological exploration according to claim 3, characterized in that: The oil inlet is arranged in parallel with the sealing rubber head, and the sealing rubber head is arranged in parallel with the threaded tube.

5. The petroleum sampling device for petroleum geological exploration according to claim 4, characterized in that: The sealing rubber head is arranged to seal the oil inlet.

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