Oil field sampler
By designing a detachable sampling bottle and extension mechanism, the problem of difficulty in controlling the sampling position of oilfield samplers was solved, and the accurate sampling effect of fixed-depth sampling was achieved.
Patent Information
- Application Number
- CN202422967666.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing oilfield samplers have difficulty accurately controlling the sampling location, which affects the representativeness of the samples.
An oilfield sampler was designed, including a sampling bottle, a connecting rod, and an extension mechanism. Through detachable connection and sealing, it can achieve fixed-depth sampling and ensure sampling accuracy.
It enables flexible adjustment and precise control of the sampler, ensuring the accuracy of sampling depth and range, and avoiding sample leakage and contamination.
Smart Images
Figure CN223597273U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oilfield construction technical field, specifically point to an oilfield sampler. BACKGROUND
[0002] The sampler for oilfield survey is a tool and equipment for collecting underground oil reservoir samples in the field of petroleum engineering, which is usually used to determine the properties of the oil reservoir, evaluate the productivity and reserves of the oil reservoir, and provide important data about the geological and fluid characteristics of the oil reservoir for petroleum engineers and geologists.
[0003] In the prior art, when the sampler is used to sample the oilfield, the sampler is usually directly connected with a rope for lowering to sample the oilfield. When the sampler is lowered for sampling by using the rope, it is difficult to accurately control the position of the sampler, which may cause the sampler to fail to reach the required sampling depth or position, thereby affecting the representativeness of the oil sample. Therefore, an oilfield sampler is proposed. SUMMARY
[0004] The utility model discloses at least one of the technical problems existing in the prior art. Therefore, one purpose of the utility model is to provide an oilfield sampler, which is convenient to disassemble and assemble, can be used for depth sampling, and ensures the accuracy of sampling.
[0005] To solve the above technical problems, the utility model provides a technical scheme of an oilfield sampler, which comprises:
[0006] A sampling bottle, a sampling port is formed in the top of the sampling bottle;
[0007] A sampling bottle connecting mechanism, the sampling bottle connecting mechanism comprises a connecting rod which is detachably connected with the sampling bottle, a plurality of sampling holes are formed in the side wall of the connecting rod and near the bottom along the axial direction of the connecting rod, the connecting rod is hollow, and a control rod which is also hollow is rotatably arranged on the inner wall of the connecting rod, a plurality of flow guide holes which can overlap with the sampling holes are formed in the bottom side wall of the control rod along the axial direction of the control rod, the control rod and the connecting rod are sealingly matched, and a plurality of clamping grooves are formed in the top surface of the control rod;
[0008] At least one set of extension mechanism, each set of extension mechanism comprises an extension rod, adjacent extension rods and the extension rod and the connecting rod are connected by a buckle to form an integrated whole, the extension rod is hollow, and an operating rod is rotatably arranged on the inner wall of the extension rod, a clamping block which is clamped with the clamping groove is arranged on the bottom surface of the operating rod, and the clamping groove is arranged on the top surface of the operating rod;
[0009] A rotating piece, the rotating piece is clamped in the clamping groove and arranged on the top surface of the operating rod or the control rod.
[0010] Preferably, the bottom of the sampling bottle is provided with a sampling outlet and a sealing cover is arranged on the sampling outlet.
[0011] Preferably, a screen is arranged on the side wall of the connecting rod and covers the sampling holes.
[0012] Preferably, two center-symmetrically arranged sliding grooves are arranged on the inner wall of the connecting rod, and a limiting block is arranged on the side wall of the control rod and slidably arranged in the sliding grooves.
[0013] Preferably, the extension rods and the connecting rod are in sealing fit.
[0014] Preferably, the extension rods and the connecting rod are in equal length and the length is set to 50-200cm.
[0015] After the above structure is adopted, the utility model has the following advantages:
[0016] The sampling bottle connecting mechanism and the at least one set of extension mechanism are arranged, so that the length of the sampler can be adjusted according to the requirement, the components are connected through the snap fastener, the sampler can be conveniently assembled and disassembled, and the sampler can be flexibly configured according to different sampling depths and ranges, the hollow control rod is rotatably arranged on the inner wall of the hollow connecting rod, the flow guide hole is arranged on the bottom side wall of the control rod and overlaps with the sampling hole in the axial direction, the accurate control of the sampling process is realized, the extension rods and the connecting rod are in sealing fit, the extension rods and the connecting rod are in sealing fit, the stability and the sealing performance of the sampler during use are ensured, the problems of sample leakage and pollution are avoided, the extension rods and the connecting rod are in equal length, and the sampling depth is convenient and clear.
[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will become apparent to those skilled in the art from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.
[0019] Figure 1 is a structural schematic view of the utility model.
[0020] Figure 2is a structural schematic diagram of the sampling bottle.
[0021] Figure 3 is a structural schematic diagram of the sampling bottle connecting mechanism.
[0022] Figure 4 is Figure 3 the front view.
[0023] Figure 5 is Figure 4 the sectional structural schematic diagram of A-A in
[0024] Figure 6 is Figure 4 the sectional structural schematic diagram of B-B in
[0025] Figure 7 is a structural schematic diagram of the extension mechanism Figure 1 .
[0026] Figure 8 is a structural schematic diagram of the extension mechanism Figure 2 .
[0027] Figure 9 is a structural schematic diagram of the rotating member.
[0028] As shown in the figure: 1, sampling bottle; 2, sampling bottle connecting mechanism; 3, extension mechanism; 4, rotating member; 5, connecting rod; 6, buckle; 7, sampling hole; 8, control rod; 9, operating rod; 10, extension rod; 11, limiting block; 12, sliding groove. DETAILED DESCRIPTION
[0029] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation to the present application.
[0030] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: Figures 1-9The utility model provides an oilfield sampler, including sampling bottle 1, sampling bottle 1 connecting mechanism with sampling bottle 1 detachable connection, at least one group of extension mechanism 3 with sampling bottle 1 connecting mechanism detachable connection and the rotation piece 4 with extension mechanism 3 clamping cooperation.
[0032] The top of the sampling bottle 1 is provided with a sampling port, and the bottom of the sampling bottle 1 is provided with a sampling discharge port and a sealing cover on the sampling discharge port. The sampling bottle 1 is made of high-strength and corrosion-resistant material to ensure that it can withstand various pressures and chemical corrosion in the oilfield environment. After sampling is completed, the sealing cover can be directly opened to take out the sample. The sampling bottle 1 can be threadedly connected to the bottom end of the connecting rod 5 for easy disassembly and cleaning.
[0033] The sampling bottle 1 connecting mechanism includes a connecting rod 5 detachably connected with the sampling bottle 1. A plurality of sampling holes 7 are arranged on the side wall of the connecting rod 5 and near the bottom along the axial direction. A screen is arranged on the side wall of the connecting rod 5 to cover the plurality of sampling holes 7 to prevent impurities from entering the sampling holes 7. The connecting rod 5 is hollow, and a control rod 8 is rotatably arranged on the inner wall of the connecting rod 5. Two center-symmetrically arranged sliding grooves 12 are arranged on the inner wall of the connecting rod 5. A limiting block 11 is arranged on the side wall of the control rod 8 and slidably arranged in the sliding groove 12. A plurality of flow guide holes are arranged on the bottom side wall of the control rod 8 along the axial direction and can overlap with the sampling holes 7. The control rod 8 is in sealing cooperation with the connecting rod 5. A plurality of clamping grooves are arranged on the top surface of the control rod 8 for clamping cooperation with the clamping block of the rotation piece 4 or the operating rod 9. By rotating the control rod 8, the overlapping of the flow guide holes and the sampling holes 7 can be controlled, so that the petroleum flows into the sampling bottle 1 through the sampling holes 7, the flow guide holes, and the hollow part of the control rod 8 for sample collection.
[0034] Each group of extension mechanism 3 includes an extension rod 10. The adjacent extension rods 10 and the extension rod 10 and the connecting rod 5 are connected by a buckle 6 to form an integrated whole. The extension rod 10 is hollow, and an operating rod 9 is rotatably arranged on the inner wall of the extension rod 10. A clamping block is arranged on the bottom surface of the operating rod 9 and clamped in the clamping groove. A clamping groove is arranged on the top surface of the operating rod 9. The adjacent extension rods 10 and the extension rod 10 and the connecting rod 5 are in sealing cooperation. A sealing gasket is arranged on the abutting end surface. The extension rod 10 is arranged in the same length as the connecting rod 5, and the length is set to 50 cm, 100 cm, 150 cm, or 200 cm.
[0035] The rotation piece 4 is clamped in the clamping groove and arranged on the top surface of the operating rod 9 or the control rod 8 to facilitate the user to rotate the operating rod 9 and the control rod 8.
[0036] In use, the sampling bottle 1 is connected to the bottom end of the connecting rod 5, a set of extension mechanisms 3 is taken out, the connecting rod 5 is butted with the set of extension mechanisms 3, the clamping block on the operating rod 9 is clamped into the clamping groove on the top surface of the control rod 8, and the connecting rod 5 is connected with the extension rod 10 into an integrated whole by means of the buckle 6, the remaining sets of extension mechanisms 3 are sequentially installed in this way, the number of sets used is determined according to the sampling depth and the length of a single set of extension mechanisms 3, finally the rotating piece 4 is clamped on the top surface of the operating rod 9 at the end, the several clamped operating rods 9 and control rods 8 are rotated by the rotating piece 4, the flow guide hole is coincided with the sampling hole 7 to collect the sample, after the collection is completed, the rotating piece 4 is reversed, the sampling bottle 1 is taken out, the sealing cover is opened, and the collected sample can be collected.
[0037] The above describes the present application and its embodiments, which are not limited, and the shown in the full text is only one of the embodiments of the present application, and the actual structure is not limited. In summary, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, the similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.
Claims
1. An oilfield sampler, characterized in that, include: A sampling bottle, wherein a sampling port is provided at the top of the sampling bottle; A sampling bottle connecting mechanism includes a connecting rod detachably connected to the sampling bottle. A plurality of sampling holes are arranged in a circumferential array on the side wall of the connecting rod near its bottom along its axial direction. The connecting rod is hollow, and a hollow control rod is rotatably mounted on its inner wall. A plurality of guide holes that overlap with the sampling holes are arranged on the bottom side wall of the control rod along its axial direction. The control rod and the connecting rod are sealed together. A plurality of slots are provided on the top surface of the control rod. At least one set of extension mechanisms, each set of extension mechanisms including an extension rod, adjacent extension rods and the extension rod and the connecting rod are connected as a whole by a buckle, the extension rod is hollow and an operating rod is rotatably provided on its inner wall, the bottom surface of the operating rod is provided with a snap-fit block that snaps into the slot, and the top surface of the operating rod is provided with the slot; A rotating component, which is engaged in the slot and disposed on the top surface of the operating lever or the control lever.
2. An oilfield sampler according to claim 1, characterized in that: The sampling bottle has a discharge port at the bottom and a sealing cap on the discharge port.
3. An oilfield sampler according to claim 1, characterized in that: The side wall of the connecting rod is provided with a screen covering several of the sampling holes.
4. An oilfield sampler according to claim 1, characterized in that: The inner wall of the connecting rod has two centrally symmetrically arranged sliding grooves, and the side wall of the control rod is provided with a limiting block that is slidably disposed in the sliding grooves.
5. An oilfield sampler according to claim 1, characterized in that: The adjacent extension rods and the extension rods are sealed together.
6. An oilfield sampler according to claim 1, characterized in that: The extension rod is set to the same length as the connecting rod, with a length of 50cm-200cm.