CN110159221A - Well head overflow gathering apparatus - Google Patents

Well head overflow gathering apparatus Download PDF

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Publication number
CN110159221A
CN110159221A CN201910542167.3A CN201910542167A CN110159221A CN 110159221 A CN110159221 A CN 110159221A CN 201910542167 A CN201910542167 A CN 201910542167A CN 110159221 A CN110159221 A CN 110159221A
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CN
China
Prior art keywords
gland
cabinet
wall
glue core
well head
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910542167.3A
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Chinese (zh)
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CN110159221B (en
Inventor
刘海明
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Jiangsu Oil Field Mining Development Co Ltd
China Petroleum and Chemical Corp
Sinopec Jiangsu Petroleum Exploration Bureau
Original Assignee
Jiangsu Oil Field Mining Development Co Ltd
China Petroleum and Chemical Corp
Sinopec Jiangsu Petroleum Exploration Bureau
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Application filed by Jiangsu Oil Field Mining Development Co Ltd, China Petroleum and Chemical Corp, Sinopec Jiangsu Petroleum Exploration Bureau filed Critical Jiangsu Oil Field Mining Development Co Ltd
Priority to CN201910542167.3A priority Critical patent/CN110159221B/en
Publication of CN110159221A publication Critical patent/CN110159221A/en
Application granted granted Critical
Publication of CN110159221B publication Critical patent/CN110159221B/en
Active legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/06Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/08Wipers; Oil savers

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Sewage (AREA)

Abstract

The present invention relates to a kind of well head overflow gathering apparatus, the rear wall bottom of cabinet is equipped with liquid interface, the depth of cabinet back zone is greater than the depth in cabinet proparea, the center in cabinet proparea is equipped with the cylinder for being connected and running through cabinet proparea bottom wall with cabinet proparea bottom wall, horizontal gland is welded in cylinder, the excircle of horizontal gland is evenly distributed with gland bolt hole, bolt passes through each gland bolt hole and is fixedly connected with horizontal gland with the upper flange of preventer, and the center of horizontal gland is equipped with the gland centre bore that fuel feed pump passes through.Cabinet is divided into preceding case and rear cabinet along the diameter of horizontal gland left and right directions, horizontal gland is divided into symmetrical preceding semicircle gland and rear semicircle gland, the left and right sides of semicircular cylinder before the rear wall of preceding case is connected to, the front wall of rear cabinet is connected to the left and right sides of later half cylinder, and the rear wall of preceding case and the front wall of rear cabinet mutually stick together.The device has the function of overflow collection, mitigates environmental pollution, improves construction well head environment.

Description

Well head overflow gathering apparatus
Technical field
The present invention relates to a kind of oil field operation tool, in particular to a kind of well head overflow gathering apparatus belongs to oil field auxiliary Technical field of tools.
Background technique
The wellhead assembly of oil-water well includes four-way and the preventer that is mounted on above four-way, and oil pipe prolongs along the center of preventer It stretches.During the routine work of the small overflow well of oil-water well, because of overflow caused by blow-by between oil pipe periphery and preventer, Overflow caused by liquid outflow etc. usually brings serious pollution to well site in oil pipe.In playing Tubing During Running, when oil pipe is obstructed Or lower part, when not having drainage device, in the thread for dismantling oil pipe, the liquid in this root oil pipe can be flowed downward out rapidly, it is dirty Plane in grease whereabouts splash to preventer flange causes well head environmental pollution, and construction environment deteriorates, and influences operating personnel's body and mind Health.
There are many well head overflow gathering apparatus in the prior art, usually overall structure, size is bigger, whole up to number Hundred kilograms, dismounting once needs the hour that tells noses, and could also be completed by means of crane, when in use, due to wellhead sealing Difference causes collecting effect bad.Although the U-shaped overflow launder piece weight of nonintegrated structure is lighter, increases and spelled in well head The workload and difficulty of dress, it is in use, easily-deformable to be easily corroded, it is poorly sealed after deformation, cause sealing effect bad, Sump oil water is caused to land.In the case where environmental requirement is higher and higher, neither influence operating speed how is realized, and be avoided that well Field is always a problem for perplexing oil field construction by pollution load of overflow.
Summary of the invention
It is an object of the present invention to overcome problems of the prior art, a kind of well head overflow gathering apparatus is provided, is had There is overflow collection function, and when oil pipe is dismantled and buckled, single oily liquid in pipe can be collected with buffer-type, mitigates environmental pollution, changes Kind construction well head environment, meets safety and environmental protection needs.
In order to solve the above technical problems, a kind of well head overflow gathering apparatus of the invention, the cabinet including upper end opening, institute The rear wall bottom for stating cabinet is equipped with liquid interface, and the depth of cabinet back zone is greater than the depth in cabinet proparea, and proparea bottom wall passes through oblique Plate is connected with back zone bottom wall, and the center in cabinet proparea is equipped with the circle for being connected and running through cabinet proparea bottom wall with cabinet proparea bottom wall Tin, it is welded with horizontal gland in the cylinder, the excircle of the horizontal gland is evenly distributed with gland bolt hole, and bolt passes through Horizontal gland is fixedly connected by each gland bolt hole with the flange of preventer, and the center of the horizontal gland passes through equipped with fuel feed pump Gland centre bore;The cabinet is divided into preceding case with after along the perpendicular where the diameter of horizontal gland left and right directions Case, the horizontal gland is divided into symmetrical preceding semicircle gland and rear semicircle gland, before the cylinder is divided into symmetrically The front wall of semicircular cylinder and later half cylinder, the left and right sides of semicircular cylinder before the rear wall of the preceding case is connected to, the rear cabinet connects It connects in the left and right sides of later half cylinder, and the rear wall of preceding case and the front wall of rear cabinet mutually stick together.
Compared with the existing technology, the present invention achieve it is following the utility model has the advantages that cylinder formed cofferdam by the sump oil water of collection every It opens, connection space of the cylinder bore as horizontal gland and preventer flange, cabinet is small and exquisite, very light in weight;Before cabinet Area oriented manipulation personnel, depth is very shallow, further mitigates weight, and a whole people can move, and the weight support of cabinet exists On cylinder, the weight of cylinder is supported directly on preventer flange by horizontal gland.Inclined plate not only acts as guide functions, and Space is merged out for the installation of gland bolt.There is certain depth in cabinet back zone, liquid storage amount is slightly larger, and liquid connects out close to derrick side Mouthful be connected with liquid collecting bucket by hose, or direct liquid towards dedicated collecting pit, in tank, will not sinuous flow cause wellhead equipment, ground, Tool contamination improves construction shaft mouth operation environment, plays the role of safe and environment-friendly.When lower oil tube, axis of the oil pipe along preventer Line rises out upwards or downlink insertion, cabinet whole at this time can not be installed due to the blocking of oil pipe in well head.The present invention adopts Spliced with preceding case and rear cabinet, preceding semicircle gland and rear semicircle gland surround from the front and rear sides of oil pipe and be spliced into complete horizontal pressure Lid, while preceding semicircular cylinder and later half cylinder surround and are spliced into complete cylinder, mention for the connection of horizontal gland and preventer flange For space, can easily be installed in well head by the way of two halves splicing.And preceding case and rear cabinet have respectively been Whole cabinet will not cause leakage even if deforming after being used for a long time.
As an improvement of the present invention, the upper port of the preventer is plugged with glue core, and blowout prevention is inserted into the lower end of the glue core The inner cavity of device, the upper end of the glue core are equipped with the glue core T forming head turned up, and the glue core T forming head is set on preventer flange, institute The lower end surface of semicircle gland and rear semicircle gland is equipped with the gland caulking groove of indent, the upper surface insertion of the glue core T forming head before stating In the gland caulking groove, the lower end surface of the glue core T forming head is equipped with downwardly projecting glue core bulge loop, and the glue core bulge loop is embedded in In the seal groove of preventer flange;The centre bore and gland centre bore coaxial line of the glue core, the lower part of the glue core centre bore It is interference fitted with oil pipe periphery, the upper end of the glue core centre bore is equipped with horn mouth.The horn mouth of glue core upper end convenient for oil pipe from The insertion of glue core centre bore, the lower part of glue core centre bore and oil pipe periphery interference fit realize the sealing of oil pipe periphery, glue core The inner cavity of preventer is inserted into lower end, prevents annular space of the down-hole fluid flow between oil pipe and preventer and sprays, the overflow of underground is sealed It closes below well head, greatly reduces the spillway discharge of well head.Glue core T forming head is set on preventer flange, and by gland pressure Tightly, the sealing between glue core T forming head and gland and preventer flange is realized;Glue core bulge loop is arranged in the lower end surface of glue core T forming head And in the seal groove of preventer flange, sealing effect is further improved, glue core is accurately positioned jointly with gland caulking groove, Ensure glue core and preventer coaxial line.
As a further improvement of the present invention, the lower end surface of the preventer flange is equipped with and is spelled in opposite directions by two connection semi-rings Connection ring made of connecing is evenly distributed with the connection ring boss of multiple thickenings, the center of each connection ring boss in the connection ring It is respectively equipped with connection ring screw hole, the upper end of each connection ring screw is respectively equipped with horn mouth, and each bolt sequentially passes through phase from top to bottom The gland bolt hole and preventer flange bolt hole answered are screwed in corresponding connection ring screw hole.It is convenient for using two connection semi-rings It is connected at the neck below preventer flange in opposite directions, the connection ring screw hole at each connection ring boss center each serves as the work of nut With;Glue core is first inserted into inner cavity of blow-out preventer when installation, glue core bulge loop is in the seal groove of preventer flange, then connection half by after Ring is placed on the lower section of preventer flange, and rear cabinet is placed on glue core, makes the latter half of alignment glue core T forming head pressure of gland caulking groove Under, each bolt pass through from top to bottom rear semicircle gland bolt hole and preventer flange bolt hole be screwed in after connect semi-ring company It connects in ring screw hole;Rear cabinet after the installation is completed, then by preceding case is placed on glue core, and the first half of gland caulking groove is made to be directed at glue core T shape Head pressure, each bolt passes through the bolt hole of preceding semicircle gland from top to bottom and preventer flange bolt hole is screwed in preceding connection semi-ring Connection ring screw hole in;It so realizes and entire cabinet is fixed on preventer flange.Whole installation process only needs two People's cooperation can be completed, and does not need the big machineries such as crane, greatly reduces operating cost.
As a further improvement of the present invention, the horizontal gland stepped profile low in the high periphery in center, the gland Bolt hole is distributed on the relatively thin circumference in horizontal gland periphery, and there are two symmetrical semi-rings to cover for the top covering of bolt, two halves Ring seal lid pieces together a complete annulus capping, and the top of annulus capping is concordant with the centre of horizontal gland.Level pressure The central area thickness of lid setting gland caulking groove is thicker, and periphery is relatively thin, after bolt installation, is covered, is made in bolt with semi-ring It sets, the top of device keeps smooth, reduces a possibility that colliding with.
As a further improvement of the present invention, the top of wall is welded with the U-shaped overflow launder to extend back after the preceding case, The notch that the rear end of the U-shaped overflow launder passes through rear cabinet front wall protrudes into the inner cavity of rear cabinet.Preceding case is very shallow, primarily serves collection Effect, liquid storage amount is very small, and when the liquid level in current box is higher than the bottom of U-shaped overflow launder, liquid stream passes through U-shaped overflow launder and flows into In rear cabinet, go out liquid interface outflow from rear cabinet.The splicing seams of case and rear cabinet are directly protruding into before being crossed due to the rear end of U-shaped overflow launder The inner cavity of rear cabinet, even if deforming after long-time use, the liquid stream of preceding case will not be let out from the splicing seams of preceding case and rear cabinet Leakage, further ensures the environment of well head.
As a further improvement of the present invention, the top of wall is equipped with the bending plate bent downward backward after the preceding case, The bending plate is hooked on the upper end of the rear cabinet front wall, and the left margin of bending plate is resisted against on the inside of the left wall of rear cabinet, folding The right of bent plate is along the right wall inside for being resisted against rear cabinet.The function that bending plate functions similarly to hook can after rear cabinet installs Directly preceding case is suspended on rear cabinet by bending plate, mitigates the load of case before installation personnel is lifted;The left and right side edge of bending plate It leans with the left and right wall of rear cabinet, so that preceding case directly obtains positioning in the lateral direction, i.e., is aligned automatically with rear cabinet, make to pacify It fills more efficient and convenient.
As a further improvement of the present invention, the upper periphery of the preceding semicircular cylinder is equipped with grid, the front end of mesh grid Before being welded in the front wall of case.Grid can be used as the platform of shelving of shaft mouth operation, before liquid can directly be fallen into from grid In case.
As a further improvement of the present invention, be placed with save-all boxes in the middle part of the deep area of the rear cabinet, the save-all boxes it is upper End and bottom are open, and the wallboard lower part of the save-all boxes is equipped with the relief port convenient for liquid outflow;The upper end of the save-all boxes Mouthful it is higher than the upper port of the rear cabinet, save-all boxes narrow structure and top is leant out forwards, institute in the case where front-rear direction presents width The lumenal cross-section for stating save-all boxes is equipped with the anti-spattering plate that multiple tracks favours perpendicular and is parallel to each other.Playing Tubing During Running In, if there being more sump oil water in oil pipe, in the thread for dismantling oil pipe, more liquid stream is had rapidly to dirty Out, it falls directly into cabinet, be easy to cause splashing.Save-all boxes is arranged in the dead astern of oil pipe in the present invention, is dismantling thread Moment, oil pipe is pushed into the top of save-all boxes by operator backward, and sump oil water falls into splashproof after the guiding by each anti-spattering plate In case, spray of water can avoid, the sump oil water for falling into save-all boxes is flowed out from the relief port of save-all boxes bottom, into rear cabinet, splashproof Case is higher than rear cabinet, it is sufficient to accommodate instantaneous biggish liquid stream, it is ensured that will not overflow from the upper end of save-all boxes;Environment dirt can be mitigated significantly Dye improves construction well head environment, environmental benefit with higher.
As a further improvement of the present invention, the anti-spattering plate is equipped with upper and lower twice, and upper and lower two in the inner cavity of save-all boxes Road anti-spattering plate is staggered.The staggered anti-spattering plate of twice can be further improved anti-splashing effect.
As a further improvement of the present invention, the rear wall of the rear wall of the save-all boxes and rear cabinet fits, the splashproof The left and right wall of case is clamped in rear cabinet between oralia, rear cabinet along oralia be welded on rear cabinet after wall upper edge and prolong forward It stretches.Rear cabinet area is relatively large, and the depth of rear cabinet back zone is also deep, and rear cabinet on the one hand can be improved along oralia equipped with rear cabinet On the other hand intensity positions save-all boxes in left and right directions, it is ensured that its dead astern for being located at gland centre bore avoids opposite It is biased in oil pipe.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, attached drawing only provide with reference to Illustrate to use, it is non-to limit the present invention.
Fig. 1 is the main view of well head overflow gathering apparatus embodiment one of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the perspective view of Fig. 1.
Fig. 4 is the main view of preceding case in Fig. 1.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the top view of Fig. 4.
Fig. 7 is the perspective view of Fig. 4.
Fig. 8 is the main view of rear cabinet in Fig. 1.
Fig. 9 is the top view of Fig. 8.
Figure 10 is the right view of Fig. 8.
Figure 11 is the main view for connecting semi-ring.
Figure 12 is the bottom view for connecting semi-ring.
Figure 13 is the perspective view of save-all boxes.
Figure 14 is the main view of save-all boxes.
Figure 15 is the main view of well head overflow gathering apparatus embodiment two of the present invention.
Figure 16 is the top view of Figure 15.
Figure 17 is the perspective view of Figure 15.
Figure 18 is the explosive view of Figure 17.
In figure: case before 1.;1a.U shape overflow launder;1b. bending plate;1c. grid;2. rear cabinet;2a. inclined plate;2b. goes out liquid and connects Mouthful;2c. rear cabinet is along oralia;2d. notch;3. cylinder;Semicircular cylinder before 3a.;The later half cylinder of 3b.;4. horizontal gland;Semicircle before 4a. Gland;4b. rear semicircle gland;4c. gland centre bore;4d. gland bolt hole;4e. gland caulking groove;5. glue core;5a. glue core T shape Head;5b. glue core bulge loop;5c. glue core centre bore;6. preventer;6a. preventer flange;7. connecting semi-ring;7a. connection ring boss; 7b. connection ring screw hole;8. save-all boxes;8a. anti-spattering plate;8b. relief port;9. semi-ring covers.
Specific embodiment
As shown in Figure 1 to Figure 3, well head overflow gathering apparatus of the invention includes the cabinet of upper end opening, the rear wall of cabinet Bottom is equipped with liquid interface 2b, and the depth of cabinet back zone is greater than the depth in cabinet proparea, and proparea bottom wall passes through inclined plate 2a and back zone Bottom wall is connected, and the center in cabinet proparea is equipped with the cylinder 3 for being connected and running through cabinet proparea bottom wall with cabinet proparea bottom wall, cylinder 3 In be welded with horizontal gland 4, the excircle of horizontal gland 4 is evenly distributed with gland bolt hole 4d, and bolt passes through each gland bolt Horizontal gland 4 is fixedly connected by hole 4d with the flange of preventer 6, and the center of horizontal gland 4 is equipped in the gland that fuel feed pump passes through Heart hole 4c.
Cylinder 3 forms cofferdam and separates the sump oil water of collection, and 3 inner cavity of cylinder is as horizontal gland 4 and preventer flange 6a Connection space, cabinet is small and exquisite, very light in weight;The proparea oriented manipulation personnel of cabinet, depth is very shallow, further mitigates weight Amount, a whole people can move, and for the weight support of cabinet on cylinder 3, the weight of cylinder 3 is direct by horizontal gland 4 It is supported on preventer flange 6a.Inclined plate 2a not only acts as guide functions, and merges out space for the installation of gland bolt.Case There is certain depth in body back zone close to derrick side, and liquid storage amount is slightly larger, and liquid interface 2b is connected by hose with liquid collecting bucket out, or will Liquid guides dedicated collecting pit into, in tank, will not sinuous flow cause wellhead equipment, ground, tool contamination, improve construction shaft mouth operation ring Border is played the role of safe and environment-friendly.
As shown in Fig. 4 to Figure 10, before cabinet is divided into along the perpendicular where the diameter of 4 left and right directions of horizontal gland Case 1 and rear cabinet 2, horizontal gland 4 be divided into it is symmetrical before semicircle gland 4a and rear semicircle gland 4b, cylinder 3 is divided into pair The preceding semicircular cylinder 3a and later half cylinder 3b claimed, the left and right sides of semicircular cylinder 3a before the rear wall of preceding case 1 is connected to, before rear cabinet 2 Wall is connected to the left and right sides of later half cylinder 3b, and the rear wall of preceding case 1 and the front wall of rear cabinet 2 mutually stick together.
When lower oil tube, oil pipe rises out upwards along the axis of preventer 6 or downlink insertion, cabinet whole at this time due to The blocking of oil pipe can not be installed in well head.The present invention is spliced using preceding case 1 and rear cabinet 2, preceding semicircle gland 4a and rear semicircle Gland 4b is surrounded from the front and rear sides of oil pipe is spliced into complete horizontal gland 4, while preceding semicircular cylinder 3a and later half cylinder 3b is closed It encloses and is spliced into complete cylinder, the connection for horizontal gland 4 and preventer flange 6a provides space, by the way of two halves splicing It can easily be installed in well head.And preceding case 1 and rear cabinet 2 are respectively complete cabinet, even if after being used for a long time It deforms, leakage will not be caused.
As shown in figure 15, the upper port of preventer 6 is plugged with glue core 5, the inner cavity of the lower end insertion preventer 6 of glue core 5, glue The upper end of core 5 is equipped with the glue core T forming head 5a that turns up, and glue core T forming head 5a is set on preventer flange 6a, preceding semicircle gland 4a and The lower end surface of rear semicircle gland 4b is equipped with the gland caulking groove 4e of indent, and the upper surface of glue core T forming head 5a is embedded in gland caulking groove 4e In, the lower end surface of glue core T forming head 5a is equipped with downwardly projecting glue core bulge loop 5b, glue core bulge loop 5b embedded in the close of preventer flange 6a In sealing groove;The centre bore and gland centre bore 4c coaxial line of glue core 5, the lower part of glue core centre bore 5c is matched with the interference of oil pipe periphery It closes, the upper end of glue core centre bore 5c is equipped with horn mouth.
The horn mouth of 5 upper end of glue core is inserted into convenient for oil pipe from glue core centre bore 5c, the lower part of glue core centre bore 5c and oil pipe Periphery, which is interference fitted, realizes the sealing of oil pipe periphery, the inner cavity of the lower end insertion preventer 6 of glue core 5, prevent down-hole fluid flow from Annular space between oil pipe and preventer 6 sprays, and the overflow of underground is enclosed in below well head, the overflow of well head is greatly reduced Amount.Glue core T forming head 5a is set on preventer flange 6a, and is compressed by gland, is realized glue core T forming head 5a and gland and is prevented Sealing between spray apparatus flange 6a;The lower end surface of glue core T forming head 5a is arranged glue core bulge loop 5b and embedded in the close of preventer flange 6a In sealing groove, sealing effect is further improved, glue core 5 is accurately positioned jointly with gland caulking groove 4e, it is ensured that glue core 5 and preventer 6 coaxial lines.
The lower end surface of preventer flange 6a, which is equipped with, connects the connection ring that semi-ring 7 is spliced in opposite directions by two.Such as Figure 11 and The connection ring boss 7a of multiple thickenings is evenly distributed with shown in Figure 12, in connection ring, the center of each connection ring boss 7a is set respectively There is connection ring screw hole 7b, the upper end of each connection ring screw is respectively equipped with horn mouth, and each bolt sequentially passes through accordingly from top to bottom Gland bolt hole 4d and preventer flange bolt hole are screwed in corresponding connection ring screw hole 7b.
It connects semi-ring 7 using two to be convenient at the neck being connected to below preventer flange 6a in opposite directions, each connection ring boss The connection ring screw hole 7b at the center 7a each serves as the effect of nut;Glue core 5 is first inserted into 6 inner cavity of preventer when installation, glue core is convex Ring 5b is embedded in the seal groove of preventer flange 6a, then rear connection semi-ring 7 is placed on to the lower section of preventer flange 6a, by rear cabinet 2 It is placed on glue core 5, depresses the latter half of alignment glue core T forming head 5a of gland caulking groove 4e, each bolt passes through later half from top to bottom The bolt hole and preventer flange bolt hole of circle gland 4b is connected after being screwed in the connection ring screw hole 7b of semi-ring 7;Rear cabinet 2 is installed After, then preceding case 1 is placed on glue core 5, so that the first half of gland caulking groove 4e is directed at glue core T forming head 5a pressure, each bolt The connection ring spiral shell of preceding connection semi-ring 7 is screwed in across the bolt hole of preceding semicircle gland 4a and preventer flange bolt hole from top to bottom In the 7b of hole;It so realizes and entire cabinet is fixed on preventer flange 6a.Whole installation process only needs two people's cooperations It can be completed, not need the big machineries such as crane, greatly reduce operating cost.
The top of wall is welded with the U-shaped overflow launder 1a to extend back after preceding case, and the rear end of U-shaped overflow launder 1a passes through rear cabinet The notch 2d of front wall protrudes into the inner cavity of rear cabinet 2.Preceding case 1 is very shallow, primarily serves the effect of collection, liquid storage amount is very small, currently When liquid level in case 1 is higher than the bottom of U-shaped overflow launder 1a, liquid stream passes through U-shaped overflow launder 1a and flows into rear cabinet 2, from rear cabinet 2 Liquid interface 2b flows out out.Case 1 and the splicing seams of rear cabinet 2 are directly protruding into rear cabinet 2 before being crossed due to the rear end of U-shaped overflow launder 1a Chamber, even if deforming after long-time use, the liquid stream of preceding case 1 will not leak from the splicing seams of preceding case 1 and rear cabinet 2, into One step ensure that the environment of well head.
The top of wall is equipped with the bending plate 1b bent downward backward after preceding case, and bending plate 1b is hooked on rear cabinet front wall Upper end, the left margin of bending plate 1b are resisted against on the inside of the left wall of rear cabinet 2, and the right of bending plate 1b is along the right side for being resisted against rear cabinet 2 On the inside of wall.Bending plate 1b functions similarly to the function of hook, after rear cabinet 2 installs, can directly pass through bending plate 1b for preceding case 1 It is suspended on rear cabinet 2, mitigates the load of case 1 before installation personnel is lifted;The left and right side of bending plate 1b is along the left and right wall with rear cabinet 2 It leans, so that preceding case 1 directly obtains positioning in the lateral direction, i.e., is aligned automatically with rear cabinet 2, make the more quick side of installation Just.
The upper periphery of preceding semicircular cylinder 3a is equipped with grid 1c, before the front end of grid 1c is welded in the front wall of case 1.Grid 1c can be used as the platform of shelving of shaft mouth operation, and liquid can directly be fallen into preceding case 1 from grid 1c.
As shown in Figures 1 to 4, save-all boxes 8 is placed in the middle part of the deep area of rear cabinet 2, the upper end and bottom of save-all boxes 8 are spacious Mouthful, the wallboard lower part of save-all boxes 8 is equipped with the relief port 8b convenient for liquid outflow;The upper port of save-all boxes 8 is higher than the upper end of rear cabinet 2 Mouthful, the narrow structure and top is leant out forwards in the case where front-rear direction presents width of save-all boxes 8, the lumenal cross-section of save-all boxes 8 is equipped with The anti-spattering plate 8a that multiple tracks favours perpendicular and is parallel to each other.
In playing Tubing During Running, if there being more sump oil water in oil pipe, in the thread for dismantling oil pipe, have More liquid stream flows downward out rapidly, falls directly into cabinet, be easy to cause splashing.The present invention is anti-in the setting of the dead astern of oil pipe Case 8 is splashed, in the moment for dismantling thread, oil pipe is pushed into the top of save-all boxes 8 by operator backward, and sump oil water passes through each anti- It is fallen into save-all boxes 8 after splashing the guiding of piece 8a, can avoid spray of water, fall into the sump oil water of save-all boxes 8 from 8 bottom of save-all boxes Relief port 8b outflow, into rear cabinet 2, save-all boxes 8 is higher than rear cabinet 2, it is sufficient to accommodate instantaneous biggish liquid stream, it is ensured that will not be from splashproof It overflows the upper end of case 8;Environmental pollution can be mitigated significantly, improve construction well head environment, environmental benefit with higher.
As shown in Figure 13 and Figure 14, anti-spattering plate 8a is equipped with upper and lower twice in the inner cavity of save-all boxes 8, and twice anti-spattering plate up and down 8a is staggered.The staggered anti-spattering plate 8a of twice can be further improved anti-splashing effect.
The rear wall of save-all boxes 8 and the rear wall of rear cabinet 2 fit, and the left and right wall of save-all boxes 8 is clamped in rear cabinet bead Between plate 2c, rear cabinet along oralia 2c be welded on rear cabinet after wall upper edge and extend forward.2 area of rear cabinet is relatively large, rear cabinet The depth of back zone is also deep, and the intensity of rear cabinet 2 on the one hand can be improved along oralia 2c equipped with rear cabinet, on the other hand make save-all boxes 8 are positioned in left and right directions, it is ensured that its dead astern for being located at gland centre bore 4c avoids biasing relative to oil pipe.
As shown in FIG. 15 to 18, the stepped profile low in the high periphery in center of horizontal gland 4, gland bolt hole 4d are distributed in On the relatively thin circumference in 4 periphery of horizontal gland, there are two symmetrical semi-ring capping 9,9 splits of two halves ring seal lid for the top covering of bolt At a complete annulus capping, the top of annulus capping is concordant with the centre of horizontal gland 4.The setting pressure of horizontal gland 4 The central area thickness of lid caulking groove 4e is thicker, and periphery is relatively thin, after bolt installation, is covered, is made built in bolt with semi-ring capping 9, filled A possibility that top set keeps smooth, and reduction is collided with.

Claims (10)

1. the rear wall bottom of a kind of well head overflow gathering apparatus, the cabinet including upper end opening, the cabinet is equipped with liquid interface, It is characterized by: the depth of cabinet back zone is greater than the depth in cabinet proparea, proparea bottom wall is connected by inclined plate with back zone bottom wall, case The center in body proparea is equipped with the cylinder for being connected and running through cabinet proparea bottom wall with cabinet proparea bottom wall, is welded with water in the cylinder Concora crush lid, the excircle of the horizontal gland are evenly distributed with gland bolt hole, and bolt passes through each gland bolt hole and presses level Lid is fixedly connected with the upper flange of preventer, and the center of the horizontal gland is equipped with the gland centre bore that fuel feed pump passes through;It is described Cabinet is divided into preceding case along the perpendicular where the diameter of horizontal gland left and right directions and rear cabinet, the horizontal gland are divided It is segmented into symmetrical preceding semicircle gland and rear semicircle gland, the cylinder is divided into symmetrical preceding semicircular cylinder and later half cylinder, institute The rear wall for stating preceding case is connected to the left and right sides of preceding semicircular cylinder, and the front wall of the rear cabinet is connected to the left and right two of later half cylinder Side, and the rear wall of preceding case and the front wall of rear cabinet mutually stick together.
2. well head overflow gathering apparatus according to claim 1, it is characterised in that: the upper port of the preventer is plugged with Glue core, the inner cavity of the lower end insertion preventer of the glue core, the upper end of the glue core is equipped with the glue core T forming head turned up, the glue Core T forming head is set on preventer flange, and the gland that the lower end surface of the preceding semicircle gland and rear semicircle gland is equipped with indent is embedding The upper surface of slot, the glue core T forming head is embedded in the gland caulking groove, and the lower end surface of the glue core T forming head is equipped with downwardly convex Glue core bulge loop out, the glue core bulge loop is in the seal groove of preventer flange;The centre bore of the glue core and gland center Hole coaxial line, the lower part and oil pipe periphery of the glue core centre bore are interference fitted, and the upper end of the glue core centre bore is equipped with loudspeaker Mouthful.
3. well head overflow gathering apparatus according to claim 2, it is characterised in that: the lower end surface of the preventer flange is set Have and connect the connection ring that semi-ring is spliced in opposite directions by two, the connection ring convex of multiple thickenings are evenly distributed in the connection ring Platform, the center of each connection ring boss are respectively equipped with connection ring screw hole, and the upper end of each connection ring screw is respectively equipped with horn mouth, each spiral shell Bolt sequentially passes through corresponding gland bolt hole from top to bottom and preventer flange bolt hole is screwed in corresponding connection ring screw hole.
4. well head overflow gathering apparatus according to claim 3, it is characterised in that: the horizontal gland is in the high periphery in center Low stepped profile, the gland bolt pore size distribution are covered with two on the relatively thin circumference in horizontal gland periphery at the top of bolt A symmetrical semi-ring capping, two halves ring seal lid piece together a complete annulus capping, the top of annulus capping and horizontal gland Centre it is concordant.
5. well head overflow gathering apparatus according to claim 1, it is characterised in that: the top welding of wall after the preceding case There is the U-shaped overflow launder to extend back, the notch that the rear end of the U-shaped overflow launder passes through rear cabinet front wall protrudes into the inner cavity of rear cabinet.
6. well head overflow gathering apparatus according to claim 1, it is characterised in that: the top of wall is equipped with after the preceding case The bending plate bent downward backward, the bending plate are hooked on the upper end of the rear cabinet front wall, the left margin of bending plate against On the inside of the left wall of rear cabinet, the right of bending plate is along the right wall inside for being resisted against rear cabinet.
7. well head overflow gathering apparatus according to claim 1, it is characterised in that: the upper periphery of the preceding semicircular cylinder is set Before thering is grid, the front end of mesh grid to be welded in the front wall of case.
8. well head overflow gathering apparatus according to any one of claim 1 to 7, it is characterised in that: the depth of the rear cabinet It is placed with save-all boxes in the middle part of area, the upper end and bottom of the save-all boxes are open, and the wallboard lower part of the save-all boxes, which is equipped with, to be convenient for The relief port of liquid outflow;The upper port of the save-all boxes is higher than the upper port of the rear cabinet, and the save-all boxes is in front-rear direction It presents narrow structure under width and top is leant out forwards, the lumenal cross-section of the save-all boxes is equipped with multiple tracks and favours perpendicular And the anti-spattering plate being parallel to each other.
9. well head overflow gathering apparatus according to claim 8, it is characterised in that: the anti-spattering plate is in the inner cavity of save-all boxes Equipped with upper and lower twice, and up and down, twice anti-spattering plate is staggered.
10. well head overflow gathering apparatus according to claim 8, it is characterised in that: the rear wall and rear cabinet of the save-all boxes Rear wall fit, the left and right wall of the save-all boxes is clamped in rear cabinet between oralia, after rear cabinet is welded on along oralia The upper edge of wall and extend forward after case.
CN201910542167.3A 2019-06-21 2019-06-21 Wellhead overflow collecting device Active CN110159221B (en)

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CN201883990U (en) * 2010-12-14 2011-06-29 雷宽成 Compensation type annular blowout preventing device
CN202866757U (en) * 2012-09-24 2013-04-10 郭盼盼 Oil tube oil wiper installed on well mouth
CN204691726U (en) * 2015-06-05 2015-10-07 荣远宏 Well head simple and easy control spray oil wiper
CN205063887U (en) * 2015-10-19 2016-03-02 青岛海旭石油泵业有限公司 Slurry blowout -prevention box
CN205677575U (en) * 2016-06-17 2016-11-09 中国石油化工股份有限公司 A kind of workover treatment well head multi-function protector
WO2017100675A1 (en) * 2015-12-10 2017-06-15 General Electric Company Variable ram for a blowout preventer and an associated method thereof
CN207177808U (en) * 2017-09-21 2018-04-03 中国石油化工股份有限公司 A kind of oil well operation well head swab case
CN108331557A (en) * 2018-02-12 2018-07-27 新疆石油管理局有限公司准东勘探开发分公司 Environment-friendly type operation wellhead liquid collecting operating platform and its application method
CN108360996A (en) * 2018-03-01 2018-08-03 中国矿业大学(北京) Well mouth rotary commutation blowout prevention integrated apparatus
CN210164454U (en) * 2019-06-21 2020-03-20 中国石油化工集团有限公司 Wellhead device of low-pressure operation overflow well

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377748A (en) * 1993-09-23 1995-01-03 Pool Company Spill container for wells with improved mounting
CN201377300Y (en) * 2009-02-27 2010-01-06 崔卫仓 Easily assembled self-sealing blowout preventor
RU94277U1 (en) * 2010-01-22 2010-05-20 Открытое акционерное общество "Станкотехника" TUBE PREVENTOR DIES KIT
CN201883990U (en) * 2010-12-14 2011-06-29 雷宽成 Compensation type annular blowout preventing device
CN202866757U (en) * 2012-09-24 2013-04-10 郭盼盼 Oil tube oil wiper installed on well mouth
CN204691726U (en) * 2015-06-05 2015-10-07 荣远宏 Well head simple and easy control spray oil wiper
CN205063887U (en) * 2015-10-19 2016-03-02 青岛海旭石油泵业有限公司 Slurry blowout -prevention box
WO2017100675A1 (en) * 2015-12-10 2017-06-15 General Electric Company Variable ram for a blowout preventer and an associated method thereof
CN205677575U (en) * 2016-06-17 2016-11-09 中国石油化工股份有限公司 A kind of workover treatment well head multi-function protector
CN207177808U (en) * 2017-09-21 2018-04-03 中国石油化工股份有限公司 A kind of oil well operation well head swab case
CN108331557A (en) * 2018-02-12 2018-07-27 新疆石油管理局有限公司准东勘探开发分公司 Environment-friendly type operation wellhead liquid collecting operating platform and its application method
CN108360996A (en) * 2018-03-01 2018-08-03 中国矿业大学(北京) Well mouth rotary commutation blowout prevention integrated apparatus
CN210164454U (en) * 2019-06-21 2020-03-20 中国石油化工集团有限公司 Wellhead device of low-pressure operation overflow well

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