Quick-release type modularized tubing head sealing assembly
By adopting a multi-layer annular set structure in the oil pipe head seal assembly, the problem of difficult to quickly disassemble and assemble the oil pipe head seal assembly in the prior art is solved, and the rapid maintenance and efficient use of the equipment are achieved.
Patent Information
- Application Number
- CN202510876177.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-27
- Publication Date
- 2025-08-15
AI Technical Summary
The existing oil pipe head seal assembly is difficult to disassemble and assemble quickly after damage, which affects the efficiency of the equipment.
A multi-layer annular suit structure with a sealed cabin shell and a lower arc sleeve arc-shaped insertion structure is adopted, including the socket insertion of the middle gasket ring, the middle inner liner tube and the bottom ball limit block, the support compartment, and the socket installation of the top gasket ring, the ring bolt, the upper sleeve compartment, and the top ball limit block.
It realizes rapid disassembly, assembly and replacement of equipment, improves usage efficiency, and does not affect the normal use of equipment.
Smart Images

Figure CN120486979A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of oil pipe heads, in particular to a quick-detachable modular oil pipe head sealing assembly. Background Art
[0002] The tubing head connects the topmost casing head to the Christmas tree, suspending the tubing and sealing the annular space between the tubing and casing. Located above the casing head, the tubing head includes a casing spool and tubing hanger. Its function is to suspend the tubing and downhole tools lowered into the well, and to seal the annular space between the tubing and casing.
[0003] The existing tubing head sealing assembly, such as application number CN202210696571.8, involves a wellhead device for fracturing and gas production, including: BT sealing ring, grease injection valve, tubing head four-way, high-pressure casing valve, threaded flange, tubing hanger assembly, top screw assembly, sealing gasket, connecting bolts, large-aperture high-pressure main control valve, conversion flange, main diameter valve, small four-way, wax cleaning valve, wing valve, throttle valve, pressure gauge assembly; the characteristic is that: high-pressure casing valve, threaded flange, Pressure gauge assembly, a BT sealing groove is machined on the inner side of the lower flange of the tubing head four-way for placing a BT sealing ring in contact with the casing. A grease injection valve is installed on the outer periphery of the lower flange of the tubing head four-way, and sealing grease is injected into the BT sealing groove through the grease injection valve, so that the BT sealing ring hugs the outer wall of the casing to form a sealing structure. However, in the above technology, the BT sealing ring is difficult to disassemble and assemble quickly after being damaged, thereby affecting the efficiency of the equipment. To this end, a quick-detachable modular tubing head seal assembly is proposed to solve the above problem. Summary of the Invention
[0004] In response to the above problems, the present invention proposes a quick-detachable modular oil pipe head sealing assembly. The quick-detachable modular oil pipe head sealing assembly mainly utilizes the sealing cabin shell and the lower arc-shaped plug-in arc connection above the bridge pipe, and makes the middle gasket, the middle liner pipe and the bottom ball limit block, the support cabin, and the rubber fixed ring be sleeved and inserted, and the top gasket, the ring bolt, the upper sleeve, and the top ball limit block are further sleeved and installed, so that such a structure is a multi-layer annular set installation structure, so that it can be quickly disassembled, assembled and replaced when the equipment needs maintenance, thereby improving the use efficiency of the equipment without affecting the use of the equipment.
[0005] Sealed cabin shell, lower arc-shaped plug sleeve, middle gasket, middle inner liner, bottom ball limit block, support cabin, rubber fixing ring, top gasket, ring bolt, upper sleeve, top ball limit block, hole plate and deceleration ball,
[0006] To achieve the above object, the present invention provides the following technical solutions:
[0007] A quick-detachable modular tubing head sealing assembly includes a bridge mounting component and a Christmas tree detection mechanism. The output end of the bridge mounting component is provided with a casing head measuring component that is bolted together, and the top end of the casing head measuring component is provided with a tubing head sealing component that is bolted together. The output end of the tubing head sealing component is provided with a Christmas tree detection mechanism that is bolted together.
[0008] As a further technical solution, the bridging mounting component includes a steel-concrete base pad, a cylindrical sleeve, an assembly ring plate, a raising plate, a shock-absorbing frame, a bolt base plate, a lifting plate, a rubber gasket, a bridging pipe and a parallel rubber ring. A fixed sleeve cylindrical sleeve is provided on the inner side of the steel-concrete base pad, and an assembly ring plate is provided on the outer side of the middle part of the cylindrical sleeve. A bolt-assembled raising plate is provided below the assembly ring plate, and a shock-absorbing frame is provided below the four sides of the raising plate, and a bolt base plate assembled with bolts is provided at the bottom end of the shock-absorbing frame.
[0009] As a further technical solution, a lifting pad is provided above the side of the assembly ring plate, and a rubber gasket is provided on the upper inner side of the lifting pad, a bridging pipe is provided on the inner side of the rubber gasket, and a parallel rubber ring is provided on the upper outer side of the bridging pipe.
[0010] As a further technical solution, the casing head measuring component includes a casing head flange, a casing head bolt, a casing head shell, a transmission bolt, a shaft seal spline strip, a plug-in cone, a clamping ring, a casing head output valve, a flange gasket, a pressure elastic frame, a pressure plate, a sensor block and a pressure instrument panel. The casing head flange bolts are connected to the upper side of the lifting gasket, and a casing head bolt is arranged above the side of the casing head flange. A casing head shell is arranged above the middle of the casing head flange. A transmission bolt is arranged on the inner side of the outer end of the casing head flange, and a shaft seal spline strip is arranged at the output end of the transmission bolt. The output end of the shaft seal spline strip is provided with a plug-in cone, and the inner end of the plug-in cone is provided with a plug-in clamping ring.
[0011] As a further technical solution, a sleeve-connected sleeve output valve is provided on one side of the middle part of the sleeve head shell, a sleeve-connected flange gasket is provided on the other side of the middle part of the sleeve head shell, and a pressure-bearing elastic frame is provided on one side of the middle part of the flange gasket, a pressure-bearing elastic frame is provided at one end of the pressure-bearing elastic frame, a sensor block is provided on the outer side of the flange gasket, and a pressure instrument panel is provided above one end of the sensor block.
[0012] As a further technical solution, the oil pipe head sealing component includes a lower rubber ring gasket, an oil pipe head flange, an oil pipe head shell, a first output valve of the oil pipe head, a second output inner valve of the oil pipe head, a second output outer valve of the oil pipe head, a sealing cabin shell, a lower arc-shaped sleeve, a middle gasket, a middle inner liner, a bottom ball limit block, a support cabin, a rubber fixing ring, a top gasket, a ring bolt, an upper casing, a top ball limit block, a hole-shaped plate and a deceleration ball. The lower rubber ring gasket is arranged above the casing head flange, and a bolt-connected oil pipe head flange is arranged above the lower rubber ring gasket, and a oil pipe head shell is arranged above the middle of the oil pipe head flange, a first output valve of the oil pipe head is arranged on one side of the middle of the oil pipe head shell, a second output inner valve of the oil pipe head is arranged on the other side of the middle of the oil pipe head shell, and the outer end of the second output inner valve of the oil pipe head is provided with a sleeve-connected oil pipe head second output outer valve.
[0013] As a further technical solution, a sealing cabin shell that is sleeved and installed is provided on the inner side of the middle part of the oil pipe head shell, and a lower arc-shaped socket is provided on the bottom end of the sealing cabin shell, a middle gasket is provided above the sealing cabin shell, and a middle inner liner is provided on the inner side of the middle gasket, a bottom ball limit block is provided on the inner side of the lower part of the middle inner liner, and a support cabin is provided above the bottom ball limit block, a rubber fixing ring is provided on the outer side of the support cabin, a top gasket is provided above the middle gasket, and a ring bolt is provided above the side of the top gasket, an upper sleeve is provided on the inner side of the ring bolt, a top ball limit block is provided on the inner side of the upper part of the upper sleeve, a hole-type disk is provided below the top ball limit block, and a deceleration ball is provided on the opposite side of the hole-type disk.
[0014] As a further technical solution, the Christmas tree detection mechanism includes an upper rubber ring gasket, a Christmas tree flange, a Christmas tree hull, a first Christmas tree output valve, a second Christmas tree output valve, an ejector plate, an inner partition, a rotating shaft, a rotating base, and a dispersion blade. The upper rubber ring gasket is arranged above the tubing head flange, a Christmas tree flange assembled with bolts is arranged above the upper rubber ring gasket, and a Christmas tree hull is arranged above the middle of the Christmas tree flange. The first Christmas tree output valve is installed in a sleeve-mounted manner on one side of the Christmas tree hull, and the second Christmas tree output valve is installed in a sleeve-mounted manner on the other side of the Christmas tree hull. The top of the Christmas tree hull is provided with an ejector plate assembled with bolts.
[0015] As a further technical solution, an inner partition is provided on the inner side of the middle portion of the Christmas tree compartment shell, and a rotating shaft is provided on the inner side of the middle portion of the inner partition. A rotating base is provided on the output end of the rotating shaft, and dispersion blades are provided on the outer side of the rotating base.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] The device of the invention mainly utilizes the sealed cabin shell and the lower arc-shaped plug-in arc to be inserted above the bridge pipe, and makes the middle gasket, the middle inner liner and the bottom ball limit block, the support cabin and the rubber fixed ring be sleeved and inserted, and then makes the top gasket, the ring bolt, the upper sleeve and the top ball limit block be further sleeved and installed, so that such a structure is a multi-layer annular set installation structure, so that it can be quickly disassembled and replaced when the equipment needs maintenance, thereby improving the use efficiency of the equipment without affecting the use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of a quick-release modular oil pipe head seal assembly;
[0019] Figure 2 It is a schematic diagram of the structure of the present invention when viewed from above;
[0020] Figure 3 It is a schematic structural diagram of a cross section in the present invention;
[0021] Figure 4 It is a structural diagram of the bridge mounting component in the present invention;
[0022] Figure 5 It is a structural schematic diagram of the casing head measuring component in the present invention;
[0023] Figure 6 It is a structural schematic diagram of the sensor block and the pressure instrument panel in the present invention;
[0024] Figure 7 Schematic diagram of the structure of the tubing head sealing component of the present invention;
[0025] Figure 8 This is a schematic diagram of the structure of the hole-type disk and the deceleration ball in the present invention;
[0026] Figure 9 It is a structural diagram of the Christmas tree detection mechanism in the present invention.
[0027] Figure: 1. Bridge mounting components; 101. Steel-concrete base pad; 102. Cylindrical casing; 103. Assembly ring plate; 104. Spacer plate; 105. Shock absorber frame; 106. Bolt base plate; 107. Lifting pad; 108. Rubber washer; 109. Bridge pipe; 1010. Parallel rubber ring; 2. Casing head measuring components; 201. Casing head flange; 202. Casing head bolts; 203. Casing Head housing; 204, drive bolt; 205, shaft seal spline; 206, plug cone; 207, clamping ring; 208, casing head output valve; 209, flange gasket; 2010, pressure elastic frame; 2011, pressure plate; 2012, sensor block; 2013, pressure instrument panel; 3, tubing head sealing components; 301, lower rubber ring gasket; 302, tubing head flange; 303, tubing head housing Body; 304, tubing head first output valve; 305, tubing head second output internal valve; 306, tubing head second output external valve; 307, sealed cabin shell; 308, lower arc-shaped sleeve; 309, middle gasket; 3010, middle inner liner; 3011, bottom ball limit block; 3012, support cabin; 3013, rubber fixing ring; 3014, top gasket; 3015, ring bolt; 3016, upper casing ; 3017, top ball limit block; 3018, hole-type plate; 3019, deceleration ball; 4, Christmas tree detection mechanism; 401, upper rubber ring gasket; 402, Christmas tree flange; 403, Christmas tree cabin shell; 404, Christmas tree first output valve; 405, Christmas tree second output valve; 406, ejector plate; 407, inner partition; 408, rotating shaft; 409, rotating base; 4010, dispersion blade. DETAILED DESCRIPTION
[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0029] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.
[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0031] See also Figure 1-9 In an embodiment of the present invention, a quick-release modular tubing head sealing assembly includes a bridge mounting component 1 and a Christmas tree detection mechanism 4. A casing head measuring component 2, which is bolted together, is provided at the output end of the bridge mounting component 1. A tubing head sealing component 3, which is bolted together, is provided at the top end of the casing head measuring component 2. The output end of the tubing head sealing component 3 is provided with a Christmas tree detection mechanism 4, which is bolted together.
[0032] The bridging mounting component 1 includes a steel-concrete base pad 101, a cylindrical sleeve 102, an assembly ring plate 103, a pad 104, a shock-absorbing frame 105, a bolt base plate 106, a lifting pad 107, a rubber gasket 108, a bridging pipe 109 and a parallel rubber ring 1010. The inner side of the steel-concrete base pad 101 is provided with a fixed sleeve cylindrical sleeve 102, and an assembly ring plate 103 is provided on the outer side of the middle part of the cylindrical sleeve 102. A pad 104 assembled with bolts is provided below the assembly ring plate 103, and a shock-absorbing frame 105 is provided below the four sides of the pad 104. The bottom end of the shock-absorbing frame 105 is provided with a bolt base plate 106 assembled with bolts.
[0033] In an embodiment of the present invention, a steel-concrete base pad 101 is laid and installed in advance at a material extraction site of an oil and gas field, and then an upper cylindrical casing 102 is sleeved and fixed on the inner side of the steel-concrete base pad 101, so that a bolt base plate 106 is arranged above the four sides of the steel-concrete base pad 101 and the assembly ring plate 103 and the raising plate 104 are bolted together.
[0034] A lifting pad 107 is provided above the side of the assembly ring plate 103, and a rubber gasket 108 is provided on the upper inner side of the lifting pad 107. A bridging pipe 109 is provided on the inner side of the rubber gasket 108, and a parallel rubber ring 1010 is provided on the upper outer side of the bridging pipe 109.
[0035] In an embodiment of the present invention, a fixed bridging pipe 109 is then sleeved on the inner side of the cylindrical casing 102 to connect to the oil and gas resources, and multiple sets of parallel rubber rings 1010 are set on the upper outer side of the bridging pipe 109, and the lifting pad 107 is combined with the rubber gasket 108 to be installed above the raising plate 104 to achieve the effect of a sealed set.
[0036] The casing head measuring component 2 includes a casing head flange 201, a casing head bolt 202, a casing head housing 203, a transmission bolt 204, a shaft seal spline strip 205, a plug cone 206, a clamping ring 207, a casing head output valve 208, a flange gasket 209, a pressure elastic frame 2010, a pressure plate 2011, a sensor block 2012 and a pressure instrument panel 2013. The casing head flange 201 is bolted to the side of the lifting pad 107. A casing head bolt 202 is provided on the upper side of the casing head flange 201, a casing head housing 203 is provided on the upper middle part of the casing head flange 201, a transmission bolt 204 is provided on the inner side of the outer end of the casing head flange 201, and a shaft seal spline strip 205 is provided at the output end of the transmission bolt 204, a plug-in cone 206 is provided at the output end of the shaft seal spline strip 205, and a plug-in clamping ring 207 is provided at the inner end of the plug-in cone 206.
[0037] In an embodiment of the present invention, the casing head bolts 202 are then used to bolt the casing head flange 201 onto the upper side of the raised pad 107, and the casing head housing 203 is made so that the casing head flange 201 is installed and set, and then the bridging pipe 109 and the parallel rubber ring 1010 are used to be sleeved and installed on the inner side of the casing head housing 203, and then the transmission bolts 204 are used to output and run so that the shaft seal spline strip 205 spirally runs so that the plug-in cone 206 is plugged into the clamping ring 207 and sleeved on the bridging pipe 109 to achieve a sealing clamping effect.
[0038] A sleeve-connected casing head output valve 208 is provided on one side of the middle part of the casing head shell 203, and a sleeve-connected flange gasket cabin 209 is provided on the other side of the middle part of the casing head shell 203. A pressure elastic frame 2010 is provided on one side of the middle part of the flange gasket cabin 209, and a pressure plate 2011 is provided at one end of the pressure elastic frame 2010. A sensor block 2012 is provided on the outer side of the flange gasket cabin 209, and a pressure instrument panel 2013 is provided above one end of the sensor block 2012.
[0039] In an embodiment of the present invention, the casing head output valve 208 is then used to open and output in a timely manner as needed, and the pressure plate 2011 at one end of the pressure elastic frame 2010 is pressed under force, so that the sensor block 2012 outputs and operates, so that the pressure instrument panel 2013 can achieve the display effect.
[0040] The tubing head sealing component 3 includes a lower rubber ring gasket 301, a tubing head flange 302, a tubing head housing 303, a tubing head first output valve 304, a tubing head second output internal valve 305, a tubing head second output external valve 306, a sealing cabin shell 307, a lower arc-shaped sleeve 308, a middle gasket 309, a middle inner liner 3010, a bottom ball stopper 3011, a support cabin 3012, a rubber fixing ring 3013, a top gasket 3014, a ring bolt 3015, an upper sleeve 3016, a top ball stopper 3017, a hole-shaped disc 3018 and The deceleration ball 3019 and the lower rubber ring gasket 301 are arranged above the casing head flange 201, and a bolted oil pipe head flange 302 is arranged above the lower rubber ring gasket 301, and a oil pipe head shell 303 is arranged above the middle of the oil pipe head flange 302, and a first oil pipe head output valve 304 is arranged on one side of the middle of the oil pipe head shell 303, and a second oil pipe head output internal valve 305 is arranged on the other side of the middle of the oil pipe head shell 303, and the outer end of the second oil pipe head output internal valve 305 is provided with a sleeve-connected oil pipe head second output external valve 306.
[0041] In the embodiment of the present invention, when output is required, the first output valve 304 of the tubing head at one output end of the tubing head housing 303 is activated to output in a timely manner, and the second output inner valve 305 of the tubing head at another output end of the tubing head housing 303 cooperates with the second output outer valve 306 of the tubing head to output in a timely manner, so as to achieve the effect of tubing output.
[0042] A sealed cabin shell 307 is provided on the inner side of the middle of the tubing head housing 303, and a lower arc-shaped plug sleeve 308 is provided on the bottom end of the sealed cabin shell 307. A middle gasket 309 is provided above the sealed cabin shell 307, and a middle inner liner 3010 is provided on the inner side of the middle gasket 309. A bottom ball stopper 3011 is provided on the inner side of the lower part of the middle inner liner 3010, and a support cabin 3012 is provided above the bottom ball stopper 3011. The support cabin 3012 is provided on the inner side of the bottom ball stopper 3011. A rubber fixing ring 3013 is provided on the outer side of 012, a top gasket 3014 is provided above the middle gasket 309, and a ring bolt 3015 is provided above the side of the top gasket 3014, an upper sleeve 3016 is provided on the inner side of the ring bolt 3015, a top ball limit block 3017 is provided on the upper inner side of the upper sleeve 3016, a hole-shaped disk 3018 is provided below the top ball limit block 3017, and a deceleration ball 3019 is provided on the opposite side of the hole-shaped disk 3018.
[0043] In the embodiment of the present invention, the lower rubber ring gasket 301 is then used to be sleeved and installed above the casing head flange 201, so that the oil pipe head flange 302 and the oil pipe head shell 303 can achieve the effect of bolt sleeve connection, and the sealing cabin shell 307 is cooperated with the lower arc-shaped socket 308 to be inserted above the bridging pipe 109, and the middle gasket 309 is cooperated with the upper middle inner liner 3010 for sleeve connection. After the sleeve connection, the bottom ball limit block 3011 is cooperated with the upper rubber fixing ring 3013 to be clamped with the support cabin 3012. In this way, the top gasket 3014, ring bolt 3015, upper sleeve 3016, top ball limit block 3017, hole-shaped plate 3018 and deceleration ball 3019 are assembled and installed with each other, so that the equipment can achieve an effective sealing effect.
[0044] Christmas tree detection mechanism 4 includes an upper rubber ring gasket 401, a Christmas tree flange 402, a Christmas tree housing 403, a first Christmas tree output valve 404, a second Christmas tree output valve 405, an ejector plate 406, an inner baffle 407, a rotating shaft 408, a rotating base 409, and a dispersion vane 4010. Upper rubber ring gasket 401 is disposed above tubing head flange 302. Christmas tree flange 402 is bolted to upper rubber ring gasket 401, and Christmas tree housing 403 is disposed above the center of Christmas tree flange 402. First Christmas tree output valve 404 is sleeved and mounted on one side of Christmas tree housing 403, and second Christmas tree output valve 405 is sleeved and mounted on the other side of Christmas tree housing 403. An ejector plate 406 is bolted to the top of Christmas tree housing 403.
[0045] In the embodiment of the present invention, when collection and output are required, the first and second output valves 404 and 405 of the Christmas tree installed at the output end of the Christmas tree housing 403 are activated in a timely manner and cooperate with the ejection plate 406 to achieve safe output.
[0046] An inner partition 407 is provided on the inner middle side of the Christmas tree housing 403 , and a rotating shaft 408 is provided on the inner middle side of the inner partition 407 . A rotating base 409 is provided on the output end of the rotating shaft 408 , and a dispersion blade 4010 is provided on the outer side of the rotating base 409 .
[0047] In an embodiment of the present invention, when output is required, the inner partition 407 is coordinated with the rotating shaft 408, the rotating base 409 and the dispersion blades 4010 to achieve effective rotation operation, and the flow rate can be measured after the rotation operation.
[0048] The working principle of the present invention is: a steel-concrete base pad 101 is laid and installed at the material extraction site of the oil and gas field in advance, and then a cylindrical casing 102 is sleeved and fixed on the inner side of the steel-concrete base pad 101, so that the bolt base plate 106 is arranged above the four sides of the steel-concrete base pad 101 and the assembly ring plate 103 and the padding plate 104 are bolted together, and then a bridge pipe 109 is sleeved and fixed on the inner side of the cylindrical casing 102 to connect the oil and gas resources, and multiple groups of parallel rubber rings 1010 are arranged on the upper and outer sides of the bridge pipe 109, and the lifting pad 107 is matched with the rubber gasket 108 and installed above the padding plate 104 to achieve the effect of sealing the package, and then the casing head bolts 202 are used to bolt the casing head flange 201 After the side of the lifting pad 107 is raised, the casing head shell 203 is installed so that the casing head flange 201 is installed, and then the bridge pipe 109 and the parallel rubber ring 1010 are sleeved and installed on the inner side of the casing head shell 203. Then, the transmission bolt 204 is used to output and run, so that the shaft seal spline strip 205 is spirally operated, and the plug cone 206 is plugged into the clamping ring 207 to sleeve the bridge pipe 109 to achieve the effect of sealing and clamping. Then, the casing head output valve 208 is used to open and output in time as needed, and the pressure plate 2011 at one end of the pressure elastic frame 2010 is pressed under force, so that the sensor block 2012 outputs and runs, so that the pressure instrument panel 2013 can achieve the display effect. Then, The lower rubber ring gasket 301 is installed on the top of the casing head flange 201, so that the oil pipe head flange 302 and the oil pipe head shell 303 can achieve the effect of bolt sleeve connection, and the sealing cabin shell 307 is matched with the lower arc sleeve 308 to be inserted on the top of the bridge pipe 109, and the middle gasket 309 is matched with the upper middle inner liner 3010 for sleeve connection. After sleeve connection, the bottom ball limit block 3011 is matched with the upper rubber fixing ring 3013 and the support cabin 3012 for clamping. In this way, after the top gasket 3014, ring bolt 3015, upper casing 3016, top ball limit block 3017, hole plate 3018 and deceleration ball 3019 are assembled and installed with each other, the equipment can achieve an effective sealing effect. When output is required, the oil The first output valve 304 of the tubing head at one output end of the tubing head housing 303 performs timely output, and the second output inner valve 305 of the tubing head at another output end of the tubing head housing 303 cooperates with the second output outer valve 306 of the tubing head to achieve timely output, thereby achieving the effect of tubing output. When output is required, the inner partition 407 cooperates with the rotating shaft 408, the rotating base 409 and the dispersion blades 4010 to achieve effective rotation operation, and the rotation operation achieves the effect of flow measurement. When collection and output are required, the first output valve 404 and the second output valve 405 of the oil tree installed at the output end of the oil tree housing 403 perform timely output and cooperate with the ejection plate 406 to achieve safe output.
[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0050] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A quick-release modular tubing head seal assembly comprising a bridging mounting component (1) and a Christmas tree detection mechanism (4), characterized in that: The output end of the bridge mounting component (1) is provided with a casing head measuring component (2) which is sleeved with bolts, and the top end of the casing head measuring component (2) is provided with a tubing head sealing component (3) which is sleeved with bolts, and the output end of the tubing head sealing component (3) is provided with a Christmas tree detection mechanism (4) which is sleeved with bolts.
2. The quick-release modular oil pipe head seal assembly according to claim 1, characterized in that: The bridge mounting component (1) includes a steel-concrete base pad (101), a cylindrical casing (102), an assembly ring plate (103), a padding plate (104), a shock-absorbing frame (105), a bolt base plate (106), a lifting pad (107), a rubber gasket (108), a bridge pipe (109) and a parallel rubber ring (1010). The inner side of the steel-concrete base pad (101) is provided with a fixed sleeve cylindrical casing (102), and the outer side of the middle of the cylindrical casing (102) is provided with an assembly ring plate (103). A padding plate (104) assembled with bolts is provided below the assembly ring plate (103), and a shock-absorbing frame (105) is provided below the four sides of the padding plate (104). The bottom end of the shock-absorbing frame (105) is provided with a bolt base plate (106) assembled with bolts.
3. The quick-release modular oil pipe head seal assembly according to claim 2, characterized in that: A lifting pad (107) is provided above the side of the assembly ring plate (103), and a rubber gasket (108) is provided on the inner side of the lifting pad (107). A bridging pipe (109) is provided on the inner side of the rubber gasket (108), and a parallel rubber ring (1010) is provided on the outer side of the bridging pipe (109).
4. The quick-release modular oil pipe head seal assembly according to claim 2, characterized in that: The casing head measuring component (2) comprises a casing head flange (201), a casing head bolt (202), a casing head housing (203), a transmission bolt (204), a shaft seal spline strip (205), a plug cone (206), a clamping ring (207), a casing head output valve (208), a flange gasket (209), a pressure elastic frame (2010), a pressure plate (2011), a sensor block (2012) and a pressure instrument panel (2013). The casing head flange (201) is bolted to the side of the lifting pad (107). A sleeve head bolt (202) is provided above the side of the sleeve head flange (201), a sleeve head housing (203) is provided above the middle of the sleeve head flange (201), a transmission bolt (204) is provided on the inner side of the outer end of the sleeve head flange (201), and a shaft seal spline (205) is provided at the output end of the transmission bolt (204), a plug-in cone (206) is provided at the output end of the shaft seal spline (205), and a plug-in clamping ring (207) is provided at the inner end of the plug-in cone (206).
5. The quick-release modular oil pipe head seal assembly according to claim 4, characterized in that: A sleeve-connected sleeve head output valve (208) is provided on one side of the middle of the sleeve head shell (203), a sleeve-connected flange gasket (209) is provided on the other side of the middle of the sleeve head shell (203), and a pressure elastic frame (2010) is provided on one side of the middle of the flange gasket (209), a pressure plate (2011) is provided at one end of the pressure elastic frame (2010), a sensor block (2012) is provided on the outer side of the flange gasket (209), and a pressure instrument panel (2013) is provided above one end of the sensor block (2012).
6. The quick-release modular oil pipe head seal assembly according to claim 4, characterized in that: The tubing head sealing component (3) comprises a lower rubber ring gasket (301), a tubing head flange (302), a tubing head housing (303), a tubing head first output valve (304), a tubing head second output internal valve (305), a tubing head second output external valve (306), a sealing cabin housing (307), a lower arc-shaped insert (308), a middle gasket (309), a middle inner liner (3010), a bottom ball stopper (3011), a support cabin (3012), a rubber fixing ring (3013), a top gasket (3014), a ring bolt (3015), an upper sleeve (3016), a top ball stopper (3017), a hole-shaped disc (3018), and A deceleration ball (3019), the lower rubber ring gasket (301) is arranged above the casing head flange (201), a bolted oil pipe head flange (302) is arranged above the lower rubber ring gasket (301), and a oil pipe head shell (303) is arranged above the middle of the oil pipe head flange (302), a first oil pipe head output valve (304) is arranged on one side of the middle of the oil pipe head shell (303), a second oil pipe head output internal valve (305) is arranged on the other side of the middle of the oil pipe head shell (303), and a sleeve-connected oil pipe head second output external valve (306) is arranged on the outer end of the second oil pipe head output internal valve (305).
7. The quick-release modular oil pipe head seal assembly according to claim 6, characterized in that: A sleeve-mounted sealed cabin shell (307) is provided on the inner side of the middle portion of the tubing head housing (303), and a lower arc-shaped insert (308) is provided at the bottom end of the sealed cabin shell (307). A middle gasket (309) is provided above the sealed cabin shell (307), and a middle inner liner (3010) is provided on the inner side of the middle gasket (309). A bottom ball stopper (3011) is provided on the inner side of the lower portion of the middle inner liner (3010), and a support cabin (3012) is provided above the bottom ball stopper (3011). The support cabin (3012) is provided on the inner side of the lower portion of the middle inner liner (3010). 012) is provided with a rubber fixing ring (3013) on the outer side, a top gasket (3014) is provided above the middle gasket (309), and a ring bolt (3015) is provided above the side of the top gasket (3014), an upper sleeve (3016) is provided on the inner side of the ring bolt (3015), a top ball limit block (3017) is provided on the upper inner side of the upper sleeve (3016), a hole-shaped disk (3018) is provided below the top ball limit block (3017), and a deceleration ball (3019) is provided on the opposite side of the hole-shaped disk (3018).
8. The quick-release modular oil pipe head seal assembly according to claim 6, characterized in that: The Christmas tree detection mechanism (4) comprises an upper rubber ring gasket (401), a Christmas tree flange (402), a Christmas tree housing (403), a first Christmas tree output valve (404), a second Christmas tree output valve (405), an ejector plate (406), an inner partition (407), a rotating shaft (408), a rotating base (409) and a dispersion blade (4010). The upper rubber ring gasket (401) is arranged above the tubing head flange (302). The upper rubber ring gasket (401) is arranged above the tubing head flange (302). 01) is provided with a Christmas tree flange (402) assembled with bolts above the Christmas tree flange (402), and a Christmas tree cabin shell (403) is provided above the middle of the Christmas tree flange (402). A first Christmas tree output valve (404) is provided on one side of the Christmas tree cabin shell (403) and a second Christmas tree output valve (405) is provided on the other side of the Christmas tree cabin shell (403). An ejector plate (406) is provided on the top of the Christmas tree cabin shell (403) and assembled with bolts.
9. The quick-release modular oil pipe head seal assembly according to claim 8, characterized in that: An inner partition (407) is provided on the inner side of the middle portion of the Christmas tree housing (403), and a rotating shaft (408) is provided on the inner side of the middle portion of the inner partition (407). A rotating base (409) is provided at the output end of the rotating shaft (408), and a dispersion blade (4010) is provided on the outer side of the rotating base (409).
Citation Information
Patent Citations
Fracturing and gas production integrated wellhead device
CN117090531A
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