CN110159221A - Well head overflow gathering apparatus - Google Patents
Well head overflow gathering apparatus Download PDFInfo
- 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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- China
- Prior art keywords
- gland
- cabinet
- wall
- glue core
- well head
- Prior art date
- 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
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 72
- 238000005452 bending Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 40
- 238000009434 installation Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
Landscapes
- 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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542167.3A CN110159221B (en) | 2019-06-21 | 2019-06-21 | Wellhead overflow collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542167.3A CN110159221B (en) | 2019-06-21 | 2019-06-21 | Wellhead overflow collecting device |
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| CN110159221A true CN110159221A (en) | 2019-08-23 |
| CN110159221B CN110159221B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910542167.3A Active CN110159221B (en) | 2019-06-21 | 2019-06-21 | Wellhead overflow collecting device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110159221B (en) | 2024-02-06 |
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