Gas production wellhead with protective structure

Abstract

The utility model discloses a gas production well mouth with a protection structure, which relates to the field of gas production well mouths, and comprises a support bottom plate, the top surface of the support bottom plate is uniformly butted with a top isolation plate, the bottom surface of the support bottom plate is vertically provided with a well mouth protection plate, the two ends of the well mouth protection plate are symmetrically provided with end storage grooves, and the end storage grooves are provided with a bottom isolation plate. An isolation rubber plate is horizontally inserted into the inner side edge of each end containing groove, an end clamping strip is vertically and fixedly arranged at one end of each isolation rubber plate, buckling side blocks are evenly and fixedly arranged on the outer side edge of each well mouth protection plate, end vertical grooves are symmetrically formed in the two ends of each well mouth protection plate, and a top clamping groove is formed in the top face of the supporting bottom plate. Matching buckling grooves are evenly formed in the inner side edge of the top clamping groove, inner buckling grooves are evenly formed in the top face of the supporting bottom plate, a split splicing type structure is adopted so that installation and use of various well mouths can be met, and meanwhile protection of the well mouths is more comprehensive and efficient through a comprehensive wrapping type isolation structure.

Description

Technical Field

[0001] The utility model relates to the technical field of gas wellheads, in particular to a gas wellhead with a protective structure. Background Art

[0002] Gas wells are the most basic type of wells in a gas field. According to their uses, gas wells can be divided into vertical wells, horizontal wells, and branch wells. Gas wells not only bear the important responsibility of gas production, but also understand the gas layer parameters and gas well dynamics through the production data, well testing, pressure measurement, oil, gas and water sample component analysis of gas wells, and take appropriate measures to maintain the reasonable production of gas wells, thereby achieving the regulation of the gas reservoir development process.

[0003] When protecting the current gas wellhead, a guard plate structure is installed at the wellhead position, so that the single vertical guard plate structure cannot form a wrapping protection, making its protective effect incomplete and affecting its installation and use. Utility Model Content

[0004] The purpose of the utility model is to provide a gas wellhead with a protective structure to solve the problem raised in the above-mentioned background technology that when the current gas wellhead is protected, a protective plate structure is installed at the wellhead position, so that a single vertical protective plate structure cannot form a wrapping protection, and its protective effect is not comprehensive enough to affect the installation and use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A gas production wellhead with a protective structure comprises a supporting bottom plate, the top surface of the supporting bottom plate is evenly connected to a top isolation plate, the bottom surface of the supporting bottom plate is vertically provided with a wellhead guard plate, the two ends of the wellhead guard plate are symmetrically provided with end receiving grooves, the inner side edges of the end receiving grooves are horizontally plugged with isolation rubber plates, one end of the isolation rubber plate is vertically fixed with an end clamping strip, the outer side edges of the wellhead guard plate are evenly fixed with buckle side blocks, the two ends of the wellhead guard plate are symmetrically provided with end vertical grooves, the top surface of the supporting bottom plate is provided with a top clamping groove, The inner side edge of the top clamping groove is evenly provided with matching buckle grooves, the top surface of the support base plate is evenly provided with inner buckle grooves, a support connecting rod is horizontally arranged at the ends between the support base plates, a bottom clamping strip is fixedly arranged on the bottom surface of the top isolation plate, the outer side edge of the bottom clamping strip is evenly provided with side grooves, the inner side edge of the side groove is clamped with a top connection spring, the inner side edge of the side groove is clamped with a buckle bevel block, an expansion ring is arranged at the center position of the support connecting rod, side screw holes are symmetrically arranged at both ends of the support base plate, and end screws are symmetrically fixedly arranged at both ends of the support connecting rod.

[0007] As a preferred embodiment of the utility model: there are two supporting base plates, and the specifications and sizes of the two supporting base plates are kept consistent, the two supporting base plates are both set in the shape of arc plates, there are multiple top isolation plates, and the specifications and sizes of the multiple top isolation plates are kept consistent, the bottom ends of the multiple top isolation plates are correspondingly docked at the top opening end of the top clamping groove, and the top isolation plate is set in a circular ring shape at the edge of the top surface of the supporting base plate.

[0008] As a preferred embodiment of the utility model: the outer top end of the wellhead guard plate is docked and arranged at the inner arc-shaped side edge of the supporting bottom plate, the isolation rubber plate is made of rubber plate material, and the extended end of the isolation rubber plate is docked and arranged at the side opening end of the end vertical groove, there are multiple snap-fit ​​side blocks, and the multiple snap-fit ​​side blocks are equidistantly arranged at the top end of the outer arc-shaped side edge of the wellhead guard plate, and the snap-fit ​​side blocks are correspondingly snap-fitted and arranged at the inner side edge of the inner snap-fit ​​groove.

[0009] As a preferred embodiment of the utility model: the end vertical groove is vertically opened at the center line position of the two ends of the wellhead guard plate, and the top end passes through the top surface of the wellhead guard plate and extends to the outside to form an opening; the top clamping groove is opened on the top surface of the supporting bottom plate near the outer arc edge, and multiple mating buckle grooves are all opened in a through-type manner.

[0010] As a preferred embodiment of the utility model: the inner snap-fit ​​groove is L-shaped and equidistantly arranged at the inner arc edge of the top surface of the supporting base plate, the supporting connecting rod is arranged as a telescopic rod structure with expansion at both ends, the supporting connecting rod is horizontally arranged between the supporting base plates near the edge, the bottom clip strip is horizontally inserted and arranged on the inner side edge of the top snap-fit ​​groove, one end of the top spring is docked and arranged at the insertion end of the snap-fit ​​bevel block, and one end of the snap-fit ​​bevel block is correspondingly snap-fitted and arranged on the inner side edge of the mating snap groove.

[0011] As a preferred implementation mode of the utility model: one end of the end screw rod is horizontally corresponding to the threaded fixed connection arranged on the inner side of the side screw hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges two supporting bottom plates at the edge of the top opening of the wellhead by horizontally connecting and docking the two supporting bottom plates, and then allows the two wellhead guard plates to be buckled and arranged in the internal fixed installation operation of the inner buckling groove through multiple external buckling side blocks, and after the two supporting connecting rods are horizontally arranged at the end positions between the two supporting bottom plates, the end screws at both ends are threadedly fixedly connected and arranged in the inside of the side screw holes, and after the expansion ring is rotated by hand, the supporting connecting rod is adjusted to form an expansion and extension operation to the two ends, and the supporting connecting rod top is followed by the supporting bottom plate to expand and move outward, so that the bottom wellhead guard plate is squeezed and fixed in the wellhead position to form a surrounding arrangement, and a comprehensive isolation effect is formed under the connection of the isolation rubber plate, and the bottom clamping strips on the bottom surfaces of the multiple top isolation plates are plug-inly arranged in the inside of the top clamping groove, and under the top connection of the top connection spring, one end of the buckle inclined block is correspondingly buckled and arranged in the inside of the matching buckle groove, so that the bottom clamping strip is fixedly arranged in the inside of the top clamping groove, and the split splicing structure is adopted to meet the needs of various wellhead installation and use, and at the same time, the comprehensive wrapping isolation structure makes the protection of the wellhead more comprehensive and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a gas production wellhead with a protective structure;

[0016] Figure 2 It is a structural schematic diagram of the front view cross-section connection details of a wellhead guard plate of a gas production wellhead with a protective structure;

[0017] Figure 3 A schematic diagram of the structure of a wellhead guard plate of a gas production wellhead with a protective structure, showing the top view of the cross-section connection details;

[0018] Figure 4 It is a structural schematic diagram of the top view of the cross-section connection details of the end vertical slot of a gas production wellhead with a protective structure;

[0019] Figure 5 It is a structural schematic diagram of the front view cross-section connection details of a supporting bottom plate of a gas production wellhead with a protective structure;

[0020] Figure 6 The present invention is a structural schematic diagram showing the front view cross-sectional connection details of a top isolation plate of a gas production wellhead having a protective structure.

[0021] In the figure: 1. Support bottom plate; 2. Top isolation plate; 3. Wellhead guard plate; 4. End receiving groove; 5. Isolation rubber plate; 6. End clamping strip; 7. Snap-on side block; 8. End vertical groove; 9. Top clamping groove; 10. Matching snap-on groove; 11. Inner snap-on groove; 12. Support connecting rod; 13. Bottom clamping strip; 14. Side channel; 15. Top spring; 16. Snap-on oblique block; 17. Expansion ring; 18. Side screw hole; 19. End screw. DETAILED DESCRIPTION

[0022] See also Figure 1-2 In an embodiment of the utility model, a gas production wellhead with a protective structure includes a supporting bottom plate 1, the top surface of the supporting bottom plate 1 is evenly connected with a top isolation plate 2, the number of the supporting bottom plates 1 is two, and the specifications and sizes of the two supporting bottom plates 1 are set consistently, the two supporting bottom plates 1 are set in the shape of arc plates, the number of the top isolation plates 2 is multiple, and the specifications and sizes of the multiple top isolation plates 2 are consistent, the bottom ends of the multiple top isolation plates 2 are correspondingly connected and connected to the top opening end of the top clamping groove 9, the top isolation plate 2 is arranged in a circular ring shape at the edge of the top surface of the supporting bottom plate 1, and the bottom surface of the supporting bottom plate 1 is vertically provided with a wellhead guard plate 3, and the two ends of the wellhead guard plate 3 are opposite An end receiving groove 4 is provided, and an isolation rubber plate 5 is horizontally inserted into the inner side of the end receiving groove 4, and an end clamping strip 6 is vertically fixedly provided at one end of the isolation rubber plate 5, and a buckle side block 7 is evenly fixedly provided on the outer side of the wellhead guard plate 3, and the outer top end of the wellhead guard plate 3 is docked and arranged at the inner arc-shaped side position of the supporting bottom plate 1, and the isolation rubber plate 5 is made of rubber plate material, and the extended end of the isolation rubber plate 5 is docked and arranged at the side opening end of the end vertical groove 8, and the number of the buckle side blocks 7 is multiple, and the multiple buckle side blocks 7 are evenly arranged and arranged at the top end of the outer arc-shaped side of the wellhead guard plate 3, and the buckle side blocks 7 are correspondingly clamped and arranged at the inner side of the inner buckle groove 11;

[0023] See also Figure 3-6In one embodiment of the utility model, a gas production wellhead with a protective structure is provided, wherein two ends of a wellhead guard plate 3 are symmetrically provided with end vertical grooves 8, a top clamping groove 9 is provided on the top surface of the supporting bottom plate 1, and matching buckle grooves 10 are evenly provided on the inner side edges of the top clamping grooves 9, and the end vertical grooves 8 are vertically provided at the midline positions of the two ends of the wellhead guard plate 3, and the top end passes through the top surface of the wellhead guard plate 3 and extends to the outside in an open shape, the top clamping groove 9 is provided on the top surface of the supporting bottom plate 1 near the outer arc-shaped edge, and a plurality of matching buckle grooves 10 are provided in a through-type manner, and inner buckle grooves 11 are evenly provided on the top surface of the supporting bottom plate 1, and a supporting connecting rod 12 is horizontally provided between the ends of the supporting bottom plates 1, and a bottom card strip 13 is fixedly provided on the bottom surface of the top isolation plate 2, and a side groove 14 is evenly provided on the outer side edges of the bottom card strip 13, and the inner side edges of the side grooves 14 are clamped with top A connecting spring 15 and a buckle bevel 16 are clamped on the inner side edge of the side groove 14. The inner buckle groove 11 is L-shaped and equidistantly arranged on the inner arc edge of the top surface of the supporting base plate 1. The supporting connecting rod 12 is arranged with an expansion rod structure with both ends expanded. The supporting connecting rod 12 is horizontally arranged between the ends of the supporting base plate 1 near the edge. The bottom clamping strip 13 is horizontally inserted and arranged on the inner side edge of the top buckle groove 9. One end of the top connecting spring 15 is docked and arranged on the insertion end of the buckle bevel 16. One end of the buckle bevel 16 is correspondingly clamped and arranged on the inner side edge of the matching buckle groove 10. An expansion ring 17 is arranged at the center position of the supporting connecting rod 12. Side screw holes 18 are symmetrically opened at both ends of the supporting base plate 1. End screws 19 are symmetrically fixed at both ends of the supporting connecting rod 12. One end of the end screw 19 is horizontally fixed and connected with the corresponding thread on the inner side edge of the side screw hole 18.

[0024] The working principle of the utility model is:

[0025] The two supporting bottom plates 1 are horizontally connected and set at the edge of the top opening of the wellhead, and then the two wellhead guard plates 3 are fastened and set in the internal fixed installation operation of the inner fastening groove 11 through multiple external fastening side blocks 7. After the two supporting connecting rods 12 are horizontally set at the end position between the two supporting bottom plates 1, the end screws 19 at both ends are threadedly fixed and connected inside the side screw holes 18. After the expansion ring 17 is rotated by hand, the supporting connecting rod 12 is adjusted to form an expansion and extension operation to both ends, so that the supporting connecting rod 12 is connected to the supporting bottom plate 1 to expand and move outward, so that the bottom wellhead guard plate 3 is squeezed and fixed at the wellhead position to form a surrounding setting, and a comprehensive isolation effect is formed under the connection of the isolation rubber plate 5. The bottom clip strip 13 on the bottom surface of the multiple top isolation plates 2 is inserted and set in the top clip groove 9. Under the top connection of the top spring 15, one end of the clip bevel block 16 is correspondingly fastened and set in the matching clip groove 10, so that the bottom clip strip 13 is fixedly set in the top clip groove 9.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gas production wellhead with a protective structure, comprising a supporting bottom plate (1), characterized in that: The top surface of the support bottom plate (1) is evenly connected to a top isolation plate (2), the bottom surface of the support bottom plate (1) is vertically provided with a wellhead guard plate (3), the two ends of the wellhead guard plate (3) are symmetrically provided with end receiving grooves (4), the inner side edge of the end receiving groove (4) is horizontally plugged with an isolation rubber plate (5), one end of the isolation rubber plate (5) is vertically fixed with an end clamping strip (6), the outer side edge of the wellhead guard plate (3) is evenly fixed with a buckle side block (7), the two ends of the wellhead guard plate (3) are symmetrically provided with end vertical grooves (8), the top surface of the support bottom plate (1) is provided with a top clamping groove (9), and the inner side edge of the top clamping groove (9) is evenly provided with a matching buckle groove (10 ), the top surface of the support base plate (1) is evenly provided with inner buckling grooves (11), a support connecting rod (12) is horizontally arranged between the ends of the support base plate (1), a bottom clamping strip (13) is fixedly arranged on the bottom surface of the top isolation plate (2), a side groove (14) is evenly provided on the outer side edge of the bottom clamping strip (13), a top spring (15) is clamped on the inner side edge of the side groove (14), a buckling inclined block (16) is clamped on the inner side edge of the side groove (14), an expansion ring (17) is arranged at the center position of the support connecting rod (12), side screw holes (18) are symmetrically provided at both ends of the support base plate (1), and end screws (19) are symmetrically fixedly arranged at both ends of the support connecting rod (12).

2. A gas production wellhead with a protective structure according to claim 1, characterized in that: The number of the supporting bottom plates (1) is two, and the specifications and dimensions of the two supporting bottom plates (1) are arranged to be consistent. The two supporting bottom plates (1) are arranged in the shape of arc plates. The number of the top isolation plates (2) is multiple, and the specifications and dimensions of the multiple top isolation plates (2) are consistent. The bottom ends of the multiple top isolation plates (2) are arranged to correspond to the top opening ends of the top clamping grooves (9), and the top isolation plates (2) are arranged in a circular ring shape at the edge of the top surface of the supporting bottom plates (1).

3. The gas production wellhead with a protective structure according to claim 1, characterized in that: The outer top end of the wellhead guard plate (3) is butt-jointed with the inner arc-shaped side edge of the supporting bottom plate (1); the isolation rubber plate (5) is made of rubber plate material, and the extended end of the isolation rubber plate (5) is butt-jointed with the side opening end of the end vertical groove (8); there are a plurality of snap-fit ​​side blocks (7), and the plurality of snap-fit ​​side blocks (7) are evenly arranged at the outer arc-shaped side edge top end of the wellhead guard plate (3); the snap-fit ​​side blocks (7) are correspondingly snap-fitted with the inner side edge of the inner snap-fit ​​groove (11).

4. The gas production wellhead with a protective structure according to claim 1, characterized in that: The end vertical grooves (8) are vertically opened at the midline positions of the two ends of the wellhead guard plate (3), and the top ends penetrate the top surface of the wellhead guard plate (3) and extend to the outside in an open shape. The top clamping groove (9) is opened at the top surface of the supporting bottom plate (1) near the outer arc edge, and a plurality of matching buckle grooves (10) are all opened in a through-type manner.

5. The gas production wellhead with a protective structure according to claim 1, characterized in that: The inner buckling groove (11) is L-shaped and equidistantly arranged at the inner arc edge of the top surface of the supporting base plate (1); the supporting connecting rod (12) is arranged in a telescopic rod structure with two ends expanding; the supporting connecting rod (12) is horizontally arranged between the supporting base plates (1) at the ends close to the edge; the bottom clamping strip (13) is horizontally inserted and arranged on the inner side edge of the top buckling groove (9); one end of the top spring (15) is butt-connected and arranged on the insertion end of the buckling inclined block (16); and one end of the buckling inclined block (16) is correspondingly clamped and arranged on the inner side edge of the matching buckling groove (10).

6. The gas production wellhead with a protective structure according to claim 1, characterized in that: One end of the end screw rod (19) is horizontally fixedly connected to the inner side of the side screw hole (18) with a corresponding thread.

Images