Well cementation tool performance detection equipment

Abstract

The utility model discloses cementing tool performance detection equipment, which comprises a hydraulic cylinder, the bottom of the hydraulic cylinder is screwed and fixed on the surface of a fixed base, the top of a piston rod on the hydraulic cylinder is screwed and fixed with a lifting platform, the lifting platform is uniformly provided with three groups of size guide holes, and the surface of the fixed base is fixedly provided with three groups of guide columns. The guide columns are matched with the guide holes in size, and the guide columns penetrate through the guide holes to be screwed and fixed to the bottom of the top plate; the lifting platform comprises a first clamp fixed to the lifting platform, and a second clamp is installed on one side of the first clamp. According to the performance detection equipment for the cementing tool, the three groups of guide columns are inserted into the three groups of guide holes respectively, so that the lifting platform and the cementing tool can be limited and guided during lifting, the lifting platform is prevented from inclining during lifting, and the compression resistance and tension resistance of the cementing tool in the vertical direction can be detected; and the stability and reliability of the detection result of the cementing tool are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil exploitation equipment, concretely to a cementing tool performance detection equipment. BACKGROUND

[0002] In the cementing process of oil and gas well, the performance of cementing tool will directly affect the safety construction and the quality of cementing; if the cementing tool cannot work normally after being lowered into the well, it will affect the quality of cementing, and even make the whole well scrap, causing huge loss to the exploitation of oil and gas; the performance of cementing tool cannot be effectively detected, the real working performance of cementing tool cannot be known, and the further optimization design of cementing tool cannot be provided with basis; in order to solve the above problems, through the retrieval, the Chinese patent with the authorized announcement number CN104880309A discloses a cementing tool performance detection device and method; the document includes fixing the lower end of the detected cementing tool with the base, the middle part of the detected cementing tool is hung on the inner embedded casing of the central through hole of the lifting platform, and the upper end of the detected cementing tool passes through the main clamp of the hydraulic clamp; the operating system controls the lifting device to lift the detected cementing tool, and the lifting of the lifting platform is controlled by the operating system, and the load performance parameter in the lifting process of the detected cementing tool is obtained;

[0003] The device in the actual use, rely on the hydraulic system drive lifting platform upward movement, and the lifting platform is fixedly connected with the middle part of the cementing tool; when the tensile resistance of the cementing tool is tested, the lifting platform is not provided with the structure of limiting and guiding, so that the lifting platform is inclined when driving the cementing tool to lift, the performance of the cementing tool after being subjected to the pressure and tension in the vertical direction cannot be tested, and the reliability of the detection result is reduced. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a cementing tool performance detection equipment, to solve the defect that the lifting platform is inclined when driving the cementing tool to lift, and the performance of the cementing tool after being subjected to the pressure and tension in the vertical direction cannot be tested.

[0005] In order to achieve the above object, a well cementing tool performance detection device is provided, which comprises a hydraulic cylinder, the bottom of the hydraulic cylinder is fixed on the surface of a fixed base by screwing, the top of the piston rod of the hydraulic cylinder is fixed on a lifting platform by screwing, three groups of size guide holes are uniformly arranged on the lifting platform, three groups of guide columns are fixed on the surface of the fixed base, the guide columns are matched with the size of the guide holes, and the guide columns are fixed on the bottom of a top plate by screwing through the guide holes; the lifting platform comprises a first clamp fixed thereon, a second clamp is arranged on one side of the first clamp, and a third clamp is arranged on one side of the second clamp, the first clamp comprises a driving cylinder fixed on the outer side of the lifting platform by screwing, and the end of the piston rod of the driving cylinder is fixedly connected with a clamp base.

[0006] Preferably, the fixed base, the lifting platform and the top plate are arranged in parallel, and the fixed base, the lifting platform and the top plate are arranged in a ring shape, and the fixed base and the top plate are fixedly connected through the three groups of equidistantly arranged guide columns.

[0007] Preferably, three groups of strip-shaped mounting holes are uniformly arranged on the fixed base, the fixed base covers the outer side of the well cementing tool and is fixed on the surface of the well mouth by screwing through the three groups of mounting holes, and the three groups of equidistantly arranged hydraulic cylinders on the fixed base are synchronously driven by a well cementing hydraulic station, and the lifting platform is driven to lift by the three groups of hydraulic cylinders.

[0008] Preferably, the first clamp, the second clamp and the third clamp are uniformly distributed along the circumferential position of the inner wall of the lifting platform, the structural composition of the first clamp, the second clamp and the third clamp is consistent, the clamp bases on the first clamp, the second clamp and the third clamp are driven by the driving cylinders, and the three groups of driving cylinders move synchronously.

[0009] Preferably, two groups of limiting rods are fixedly installed on the back surface of the clamp base, the limiting rods are inserted into the limiting holes arranged on the lifting platform, a stable block is installed on the inner wall surface of the clamp base, three groups of arc-shaped clamp bases are combined to form a circular clamping assembly, and the clamping assembly is clamped and fixed on the outer side of the well cementing tool.

[0010] Preferably, two groups of butt joints are uniformly installed on the stable block, the butt joints are matched with the size of the butt grooves arranged on the clamp base, the butt joints are clamped in the inner part of the butt grooves, and the butt joints and the butt grooves are arranged in a dovetail shape.

[0011] Compared with the prior art, the well cementing tool performance detection device has the following beneficial effects:

[0012] 1. The utility model discloses a three groups of tongs seat synchronous movement to the inside, adopt three points's mode, to the clamping and fixing of cementing tool, guarantee the stability of the lifting platform and cementing tool when fastening, it is difficult to produce the loosening, and the arc structure of stable block is made of rubber material, clamps and fixes the outside surface of cementing tool and is deformed under stress, increases the contact area between cementing tool, and it is more stable after clamping and fixing cementing tool, stable block is positioned and installed through the butt joint groove, butt joint seat on the tongs seat, stable block is detachable, and it is convenient to replace the damaged stable block and work,

[0013] 2. The utility model discloses through the lifting platform drive and the cementation of solid connection cementing tool lifting, the lifting platform evenly sets up three groups of size guide hole, three groups of guide column are inserted in the inside of three groups of guide hole respectively, can position and guide the lifting platform and cementing tool when lifting, guarantee that the lifting platform does not occur the inclination when lifting, can carry out the detection work to the compression resistance, tensile strength of cementing tool in vertical direction, improve the stability and reliability of cementing tool detection result. ACCURACY

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

[0015] Figure 2 It is the bottom view of the utility model structure;

[0016] Figure 3 It is the top view of the utility model structure;

[0017] Figure 4 It is the rear view of the utility model structure;

[0018] Figure 5 It is the structure schematic diagram of the utility model lifting platform 4.

[0019] Marked number in drawing: 1, fixed base;2, guide column;3, hydraulic cylinder;4, lifting platform;41, first tong;411, drive cylinder;412, limit rod;413, tongs seat;414, butt joint groove;415, butt joint seat;416, stable block;42, second tong;43, third tong;5, top plate. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-5The utility model provides a kind of cementing tool performance detection equipment, including hydraulic cylinder 3, and hydraulic cylinder 3 bottom is fixed in the surface of fixed base 1 by screwing, and the piston rod top of hydraulic cylinder 3 is fixed lifting platform 4 by screwing, while lifting platform 4 is evenly provided with three groups of size guide holes, and the surface of fixed base 1 is fixedly installed three groups of guide columns 2, guide column 2 is adapted to the size of guide hole, and guide column 2 is fixed in the bottom of top plate 5 by screwing through guide hole;Lifting platform 4 includes first tong 41 fixed thereon, and one side of first tong 41 is installed second tong 42, while one side of second tong 42 is installed third tong 43, and first tong 41 includes drive cylinder 411 fixed on the outside of lifting platform 4 by screwing, and the piston rod end of drive cylinder 411 is fixedly connected with tong base 413.

[0021] As a preferred embodiment, fixed base 1, lifting platform 4 and top plate 5 are arranged in parallel, and fixed base 1, lifting platform 4 and top plate 5 are all arranged in a ring shape, and fixed base 1 and top plate 5 are fixedly connected through three groups of equidistantly arranged guide columns 2.

[0022] As a preferred embodiment, three groups of strip-shaped mounting holes are evenly provided on fixed base 1, and fixed base 1 covers the outside of the cementing tool and is fixed on the wellhead surface by screwing through the three groups of mounting holes, and the three groups of equidistantly arranged hydraulic cylinders 3 on fixed base 1 are synchronously driven by the cementing hydraulic station, and lifting platform 4 is driven to lift by the three groups of hydraulic cylinders 3.

[0023] As a preferred embodiment, first tong 41, second tong 42 and third tong 43 are evenly distributed along the circumferential position of the inner wall of lifting platform 4, and the constituent structures of first tong 41, second tong 42 and third tong 43 are consistent, and the tong bases 413 on first tong 41, second tong 42 and third tong 43 are all driven by drive cylinders 411, and the three groups of drive cylinders 411 move synchronously.

[0024] As can be known from the above, in use, the external switch of hydraulic cylinder 3 is started, the three groups of hydraulic cylinders 3 move downward synchronously, so that the cementing tool fixedly connected with lifting platform 4 moves downward, and in this way, the compression deformation resistance of the cementing tool is detected; the three groups of hydraulic cylinders 3 move upward synchronously, so that the cementing tool fixedly connected with lifting platform 4 moves upward, and in this way, the tensile deformation resistance of the cementing tool is detected; when lifting platform 4 drives the cementing tool fixedly connected therewith to lift, three groups of size guide holes are evenly provided on lifting platform 4, and the three groups of guide columns 2 are respectively inserted into the inside of the three groups of guide holes, so that the lifting platform 4 and the cementing tool during lifting are limited and guided, the lifting platform 4 is prevented from tilting during lifting, the compression and tensile resistance of the cementing tool in the vertical direction is detected, and the stability and reliability of the detection result of the cementing tool are improved.

[0025] As a preferred embodiment, the back of the clamp seat 413 is fixedly installed with two sets of limiting rods 412, and the limiting rods 412 are inserted into the limiting holes provided on the lifting platform 4, and the inner wall surface of the clamp seat 413 is installed with a stabilizing block 416, and three sets of arc-shaped clamp seats 413 are combined together to form a circular clamping assembly, and the clamping assembly is clamped and fixed on the outside of the well cementing tool;

[0026] As can be seen from the above, in use, the operator first clamps the device on the outside of the well cementing tool, and fixes the fixing base 1 on the device on the ground where installation is required; at this time, the drive cylinders 411 on the lifting platform 4 are started to drive the switch, and the three sets of drive cylinders 411 work synchronously, the drive cylinders 411 drive the clamp seats 413 to move towards the outside of the well cementing tool, and are clamped and fixed on the surface of the well cementing tool through the stabilizing blocks 416 thereon, the three sets of clamp seats 413 move inward synchronously, and the well cementing tool is clamped and fixed in a three-point manner, so as to ensure the stability of the lifting platform 4 and the well cementing tool during tightening; loosening is not easy to occur, the stabilizing blocks 416 are made of rubber material and have an arc-shaped structure, are clamped and fixed on the outer surface of the well cementing tool and are deformed under stress, so as to increase the contact area between the stabilizing blocks 416 and the well cementing tool, and the well cementing tool is clamped more stably after clamping; the stabilizing blocks 416 are positioned and installed on the clamp seats 413 through the butt joints 414 and the butt seats 415; the stabilizing blocks 416 are detachable, so as to facilitate replacement of the damaged stabilizing blocks 416.

[0027] As a preferred embodiment, two sets of butt seats 415 are uniformly installed on the stabilizing block 416, and the butt seats 415 are adapted in size to the butt joints 414 provided on the clamp seat 413, and the butt seats 415 are clamped in the inside of the butt joints 414, and the butt seats 415 and the butt joints 414 are both provided in a dovetail shape.

[0028] When the hydraulic cylinder 3 works, the specific value of the force detected by the lifting platform 4 on the well cementing tool can be detected by installing a pressure sensor in the oil circuit of the hydraulic cylinder, the pressure sensor can convert the pressure signal into an electric signal; the electric signal is transmitted to a special pressure instrument, and the instrument is processed and converted to display the pressure value in the form of numbers, pointers or graphics; its working principle or circuit connection mode is also well known to those skilled in the art, and is not necessary for the present case, and will not be described here.

[0029] Working principle: the operator first sets the device on the outside of the cementing tool, and fixes the fixed base 1 on the ground where the installation is needed; at this time, start the drive cylinder 411 on the lifting platform 4 to drive the switch, and the three groups of drive cylinders 411 work synchronously, the drive cylinder 411 drives the clamp seat 413 to move closer to the outside of the cementing tool, and is clamped and fixed on the surface of the cementing tool through the stabilizing block 416 thereon, the three groups of clamp seats 413 move inward synchronously, adopting three-point mode to clamp and fix the cementing tool, ensuring the stability of the lifting platform 4 and the cementing tool when tightening; it is not easy to loosen, the stabilizing block 416 is made of rubber material in arc shape, which is clamped and fixed on the outside surface of the cementing tool and deformed under stress, increasing the contact area between the cementing tool and the stabilizing block 416, and making the cementing tool more stable after clamping; the stabilizing block 416 is positioned and installed on the clamp seat 413 through the butt joint groove 414 and the butt joint seat 415; the stabilizing block 416 is detachable, which is convenient for replacing the damaged stabilizing block 416; finally, start the external switch of the hydraulic cylinder 3, and the three groups of hydraulic cylinders 3 move downward synchronously, so that the lifting platform 4 drives the cementing tool fixed thereto to move downward, in this way, the compression deformation resistance of the cementing tool is detected; the three groups of hydraulic cylinders 3 move upward synchronously, so that the lifting platform 4 drives the cementing tool fixed thereto to move upward, in this way, the tensile deformation resistance of the cementing tool is detected; when the lifting platform 4 drives the cementing tool fixed thereto to lift, three groups of size guide holes are evenly arranged on the lifting platform 4, and the three groups of guide columns 2 are respectively inserted into the three groups of guide holes, which can limit and guide the lifting platform 4 and the cementing tool during lifting, ensuring that the lifting platform 4 will not tilt during lifting, and the compression and tensile resistance of the cementing tool in the vertical direction can be detected, improving the stability and reliability of the detection result of the cementing tool.

Claims

1. A cementing tool performance testing apparatus comprising a hydraulic cylinder (3), characterized in that: The bottom of the hydraulic cylinder (3) is fixedly connected to the surface of the fixed base (1), the top of the piston rod of the hydraulic cylinder (3) is fixedly connected to the lifting platform (4), three groups of size guide holes are uniformly arranged on the lifting platform (4), three groups of guide columns (2) are fixedly arranged on the surface of the fixed base (1), the guide columns (2) are matched with the guide holes in size, the guide columns (2) pass through the guide holes and are fixedly connected to the bottom of the top plate (5); the lifting platform (4) comprises a first clamp (41) fixedly arranged thereon, a second clamp (42) is arranged on one side of the first clamp (41), a third clamp (43) is arranged on one side of the second clamp (42), the first clamp (41) comprises a drive cylinder (411) fixedly connected to the outer side of the lifting platform (4), and the end of the piston rod of the drive cylinder (411) is fixedly connected with a clamp base (413).

2. A device for testing the performance of a cementing tool according to claim 1, characterized in that: The fixed base (1), the lifting platform (4) and the top plate (5) are arranged in parallel, and the fixed base (1), the lifting platform (4) and the top plate (5) are all arranged in a ring shape, and the fixed base (1) and the top plate (5) are fixedly connected through the three groups of equidistantly arranged guide columns (2).

3. The device of claim 1, wherein: Three groups of strip-shaped mounting holes are uniformly arranged on the fixed base (1), the fixed base (1) covers the outer side of the well cementing tool and is fixedly connected to the surface of the well mouth through the three groups of mounting holes, and the three groups of equidistantly arranged hydraulic cylinders (3) on the fixed base (1) are synchronously driven by the well cementing hydraulic station, and the lifting platform (4) is driven to lift by the three groups of hydraulic cylinders (3).

4. The device of claim 1, wherein: The first clamp (41), the second clamp (42) and the third clamp (43) are uniformly distributed along the circumferential position of the inner wall of the lifting platform (4), the first clamp (41), the second clamp (42) and the third clamp (43) have the same structure, the clamp bases (413) of the first clamp (41), the second clamp (42) and the third clamp (43) are driven by the drive cylinders (411), and the three groups of drive cylinders (411) move synchronously.

5. A device for testing the performance of a cementing tool according to claim 4, characterized in that: Two groups of limiting rods (412) are fixedly arranged on the back of the clamp base (413), the limiting rods (412) are inserted into the limiting holes arranged on the lifting platform (4), a stable block (416) is arranged on the inner wall surface of the clamp base (413), three groups of arc-shaped clamp bases (413) are combined to form a circular clamping assembly, and the clamping assembly is clamped and fixed to the outer side of the well cementing tool.

6. A device for testing the performance of a cementing tool according to claim 5, characterized in that: Two groups of butt joints (415) are uniformly arranged on the stable block (416), the butt joints (415) are matched with the butt grooves (414) arranged on the clamp base (413) in size, the butt joints (415) are clamped in the butt grooves (414), and the butt joints (415) and the butt grooves (414) are both arranged in a dovetail shape.

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