CN204960865U - Whole ready -package oil recovery gas wellhead assembly - Google Patents
Whole ready -package oil recovery gas wellhead assembly Download PDFInfo
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- CN204960865U CN204960865U CN201520629152.8U CN201520629152U CN204960865U CN 204960865 U CN204960865 U CN 204960865U CN 201520629152 U CN201520629152 U CN 201520629152U CN 204960865 U CN204960865 U CN 204960865U
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Abstract
The utility model provides a whole ready -package oil recovery gas wellhead assembly comprises oil pipe head, doublestage casing head, tray, production tree and connector, body of oil pipe head and the sharing of doublestage casing head, upper portion at the body: the dabber formula hanger in electrified cable hole is equipped with in the oil pipe head, well lower part at the body: W type slip -type hanger and WD type slip -type hanger are equipped with respectively to the both ends of doublestage tube head, the centre of doublestage tube head both can adorn W type slip -type hanger, also can the shaft type hanger of cored, on the upper portion of body, the oil pipe head links with the production tree with cutting ferrule connector and sealed backing ring, four two -layer side passageways at the well lower part of body doublestage tube head all are processed into the toper screw hole, plug, manometer assembly that external hookup was disposed as required, arrange accuse valve or U type oil ninth of the ten heavenly stems. Small, light in weight has, the construction is easy and dismouting characteristics such as fast to satisfy the brill of the oil gas well in sea or the narrow and small space and adopt the requirement.
Description
Technical field
The utility model relates to petroleum machinery, the wellhead assembly in Oil/gas Well drilling-production equipment.
Background technology
Today that oil by land, natural gas resource reduce increasingly, the exploitation proportion of the oil in ocean, natural gas resource is increasing.But offshore oil drilling and producing platform, area is narrow and small, operating environment and condition poor, communications and transportation inconvenience; Except requiring its wellhead equipment reliable in quality, also require that its volume is little, rapid and convenient is installed.Existing land oil and gas extraction wellhead device, because of bulky, assembling trouble, can not be suitable for; And existing domestic integrated christmas wellhead assembly, alternative kind, quantity are also very limited.So, there is necessity of research and development further and increase integrated christmas wellhead assembly new varieties.
Summary of the invention
The utility model is the demand of feature according to offshore oil drilling and producing platform and client, and a kind of compact conformation, the easy accessibility of development, be adapted to the wellhead assembly of three layers of sleeve pipe Oil/gas Well.
The utility model is made up of tubing head, two-stage casing-joint, pallet, production tree and connector; Its characteristic part is its combining structure:
Tubing head and two-stage casing-joint share a body;
On the top of body, tubing head is built with the mandrel type hanger in tape cable hole; In the middle and lower part of body, the two ends of two-stage casing-joint are equipped with W type slip-type hanger and WD type slip-type hanger respectively, and the centre of twin-stage tube head both can fill W type slip-type hanger, also can fill mandrel type hanger;
On the top of body, tubing head cutting ferrule connector and gasket ring and production tree are connected; In the middle and lower part of body, two-layer four wing passages of twin-stage tube head, are all processed into conical screw hole to external connecting.
Because the utility model tubing head and two-stage casing-joint share a body, while minimizing small product size, decrease the trouble of two-stage casing-joint and tubing head classification from bottom to top installation.The two ends of twin-stage tube head, W type respectively and WD type slip-type hanger, connect, hang production string and surface pipe; The centre of twin-stage tube head, both can use W type slip-type hanger, also can use mandrel type hanger, connection, Suspension Technique sleeve pipe; Make two-stage casing-joint have the ability tackling various complex hole condition, ensure once mounting success.Tubing head cutting ferrule connector and gasket ring and production tree are connected; All wing passages of twin-stage tube head, all adopt conical screw hole and plug, the pressure meter assembly to configure as required, arranges and control valve or the U-shaped oily ninth of the ten Heavenly Stems is connected; While further compressed products volume, meet the demand of Fast Installation to greatest extent.Product is had features such as volume is less, weight is lighter, easy construction, dismounting are quick, thus meet the drilling requirement of the Oil/gas Well in marine or small space.
Accompanying drawing explanation
Fig. 1 is the utility model general structure partial schematic sectional view;
Fig. 2 is wedge part in the utility model (when being cut into 10 pieces), the full section enlarged diagram after level shifts out;
Fig. 3 is body part in the utility model (after removing other component), two wing passages in middle level and four wing passages of the upper and lower, the embodiment that radial misalignments is 45 ° ~ 90 °, broken section overlook enlarged diagram.
Component title shown in attached number in the figure is as follows:
1, body, 2, pallet, 3, bolt, 4, WD type slip-type hanger, 5, BT sealing ring, 6, grease pouring valve, 7, W type slip-type hanger, 8, W type slip-type hanger, 9, jackscrew parts, 10, row's control valve, 11, end cap flange, 12, cutting ferrule connector, 13, gasket ring, 12-1, cutting ferrule, 12-2, voussoir, 12-3, drive screw, 14, mandrel type hanger, 15, production tree, 16, gasket ring, 17, pressure meter assembly, 18, bolt and nut, 19, stop collar, 20, positioning sleeve, 21, mandrel type hanger.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model and embodiment are described further:
In Fig. 1, the utility model is made up of tubing head, two-stage casing-joint, pallet, production tree and the fitting that is associated, but tubing head and two-stage casing-joint share a body (1).Wherein: tubing head comprises: the top of body (1), the row of both sides control valve (10), end cap flange (11) pressure meter assembly (17) and connect gasket ring (16), bolt and nut (18); Mandrel type hanger (14) in inner chamber and jackscrew parts (9).Two-stage casing-joint comprises: the middle and lower part of body (1), the WD type slip-type hanger (4) that bottom bolts (3) connects, W type slip-type hanger (7) in inner chamber or mandrel type hanger (21), W type slip-type hanger (8), stop collar (19), positioning sleeve (20), and radially-arranged grease pouring valve (6) and jackscrew parts (9).Pallet (2) comprising: the large flange of band centre bore and uniform bolt hole, many that weld above coaxial uniform pillars of large flange.Production tree (15) is positioned at the top of tubing head, is the indispensable part of wellhead assembly, but the emphasis of non-the utility model innovation, do not state in detail.The fitting that is associated comprises: cutting ferrule connector (12) and gasket ring (13).Body (1) is hollow cylindrical structure, the inner chamber of middle step hole is main channel, sidewall is processed with upper, middle and lower three layers, six wing passages communicated with main channel, and many places groove and hole, for installing the various component of tubing head and two-stage casing-joint.The upper end of body (1), is connected with production tree (15) by cutting ferrule connector (12) and gasket ring (13); The lower end of body (1), with column contacts uniform in pallet (2), and is solidified as a whole by the method for welding.
The top of body (1), two wing passages on inner chamber and upper strata, for tubing head is used.One roomy trapezoidal groove is circumferentially processed with in body (1) upper end, the end limit above trapezoidal groove is made to become round flange, in the upper plane of round flange, the periphery of lumen orifice, be processed with trapezoidal gasket ring groove together, to connect with production tree (15) with cutting ferrule connector (12) and gasket ring (13).In step hole above body (1) inner chamber, mandrel type hanger (14) is housed, is used for connecting and hanging oil pipe; Mandrel type hanger (14), its upper end is inserted in the bottom outlet of production tree (15), seals the main channel of production tree (15) with twice groove and O RunddichtringO; Its lower end is shelved on the first order step place above body (1) inner chamber, self with rubber rectangular ring, be out of shape under the Action of Gravity Field of oil pipe, sealing oil pipe and production string between annular space; Circumferentially be processed with in the middle part of it one groove with together with V-shaped groove, O RunddichtringO is housed, to strengthen sealing effectiveness in groove; V-shaped groove coordinates with the tip of the jackscrew parts (9) of body (1) top radial equipartition, prevents its play.On the middle part end face and baseplane of mandrel type hanger (14), also have a little inclined hole run through, in the upper end of little inclined hole, be processed with taper thread, a little plug be housed, in order to use electric submersible pump or survey into time cable walk.Two wing passages of body (1) upper strata, tubing head are all cylindrical holes; At the external port place of cylindrical hole, be all processed into the plane caved inward; In the plane of two depressions, all be processed with the together trapezoidal gasket ring groove concentric with wing passage and many uniform tapped blind holes, and with gasket ring (16) and bolt and nut (18), the row connecting both sides controls valve (10), end cap flange (11) and pressure meter assembly (17).
Body (1) middle and lower part, four wing passages of inner chamber and middle level and lower floor, for two-stage casing-joint is used.On the baseplane of body (1), the surrounding of lumen orifice, uniform many tapped blind holes, with many bolts (3), WD type slip-type hanger (4) is fixed on the bottom of lumen orifice, is used for connecting, hanging surface pipe; In the lumen orifice of WD type slip-type hanger (4) top, be processed with twice groove, BT sealing ring (5) is all housed in groove; In the circumferential edge of body (1) lower end, be processed with the radial small stair hole inwardly communicated with twice groove all symmetrically, at the external port place in radial small stair hole, all be processed with taper thread, grease pouring valve (6) is housed respectively, for to BT sealing ring (5) injection moulding pressurization, make it to seal the end of the surface pipe inserted.In the lumen orifice of body (1) lower middle portion, for connecting and the W type slip-type hanger (7) of Suspension Technique sleeve pipe or mandrel type hanger (21), on the one-level step above two wing passages being positioned at body (1) lower floor; The outside diameter of two kinds of casing hangers is identical, can exchange as one sees fit, selects one and use, to tackle different hole conditions; W type slip-type hanger (7) or the rubber rectangular ring entrained by mandrel type hanger (21), be out of shape, the annular space between Sealing Technology sleeve pipe and surface pipe under the Action of Gravity Field of protective casing.In the top of W type slip-type hanger (7) or mandrel type hanger (21), positioning sleeve (20), W type slip-type hanger (8) and stop collar (19) are housed successively, are used for connecting and hanging production string.Positioning sleeve (20) is hollow cylinder: it is highly used for ensureing that W type slip-type hanger (8) is positioned on two wing passages in body (1) middle level; Its sidewall has two macropores, be used for discharging the pressure between production string and protective casing in annular space or medium; Stepped hole in the middle of it, is used for preventing techniques sleeve pipe is altered, and is enclosed within the bottom of W type slip-type hanger (8), to ensure that position is placed in the middle.W type slip-type hanger (8) is identical with external diameter with the basic structure of W type slip-type hanger (7), relies on W type slip-type hanger (7) or mandrel type hanger (21), positioning sleeve (20) to carry out axial support; Entrained rubber rectangular ring, is out of shape under the Action of Gravity Field of production string, the annular space between sealing production string and protective casing.Stop collar (19) is flat hollow cylinder, its excircle has been cut twice groove, in-built O RunddichtringO, is used for strengthening the sealing to annular space between oil pipe and production string; Bellmouth orifice with the level in the middle of it, is used for preventing from production string being altered and guides cable to enter production string.The limit, upper end of the W type slip-type hanger (7) in two-stage casing-joint or mandrel type hanger (21), W type slip-type hanger (8) and stop collar (19), all there is the large chamfering of 45 °, in the radial position of the body (1) at these large chamfering places, all be processed with the step hole of multiple uniform TBE (threaded both ends), hole is built with jackscrew parts (9), after fitting with large chamfering with its tip, to prevent these component axial floats.The side through hole of body (1) middle level that twin-stage tube head is used and lower floor, is all processed into conical screw hole, the plug configured as required external connecting, pressure meter assembly, row's control valve or U-shaped oil ninth of the ten Heavenly Stems.
Cutting ferrule connector (12) of the present utility model, is made up of cutting ferrule (12-1), voussoir (12-2) and drive screw (12-3) three kinds of parts; Cutting ferrule (12-1) is the hollow revolving body of tabular: top is round platform, middle and lower part is cylinder, center is the cylindrical macropore of two different-diameters with a sloped transition, is processed with a big groove below cylindrical macropore, uniform several radial screw bore on the sidewall in groove; Several piece voussoir (12-2) is housed in big groove, drive screw (12-3) is all housed in several radial screw bore; Voussoir (12-2) the little groove of radial direction that radial convex slot is inner with drive screw (12-3) is connected.In Fig. 2, voussoir (12-2) forms with " blank cross section is rectangle, and excircle has been got on the bus radial convex slot, and endoporus top processes an aslope monoblock hollow ring " cutting, and quantity 6 ~ 12 pieces, the shape and size of every block are identical.Drive screw (12-3), cubic cylinder is processed in outer end, so that spanner drives; Inner cylinder is processed with a radial groove, is used for connecting wedge (12-2); Centre is long long screw rod, docks with upper uniform the several radial screw bore of cutting ferrule (12-1).
Fig. 3 is another kind of embodiment of the present utility model: when on body (1) sidewall, and the row that six wing passages of upper, middle and lower-ranking all connect controls valve, produces mutual interference, when affecting its switch; Then staggered by the axial line of two wing passages in body (1) middle level and four wing passages of the upper and lower, error angle α is 45 ° ~ 90 °.
Based on the description of the purpose of this utility model, technical scheme and embodiment; under those of ordinary skill in the art do not make the prerequisite of creative work on this basis; valve (10), end cap flange (11), pressure meter assembly (17) are controlled to the row that relevant production tree (15) and body (1) upper, middle and lower three layers, six wing passages connect; and the plug configured as required, pressure meter assembly, row's control valve or the U-shaped oily ninth of the ten Heavenly Stems etc.; carry out different arrangements and combination, all belong to the scope of protection of the invention.
Claims (4)
1. an integrated rapid installing formula oil and gas extraction wellhead device, the utility model is made up of tubing head, two-stage casing-joint, pallet, production tree and connector; It is characterized in that:
Tubing head and two-stage casing-joint share a body (1);
On the top of body (1), tubing head is built with the mandrel type hanger (14) in tape cable hole; In the middle and lower part of body (1), the two ends of two-stage casing-joint are equipped with W type slip-type hanger (8) and WD type slip-type hanger (4) respectively, and the centre of twin-stage tube head both can fill W type slip-type hanger (7), also can fill mandrel type hanger (21);
On the top of body (1), tubing head cutting ferrule connector (12) and gasket ring (13) are connected with production tree (15); In the middle and lower part of body (1), two-layer four wing passages of twin-stage tube head, are all processed into conical screw hole to external connecting.
2. integrated rapid installing formula oil and gas extraction wellhead device according to claim 1, it is characterized in that: cutting ferrule connector (12), be made up of cutting ferrule (12-1), voussoir (12-2) and drive screw (12-3) three kinds of parts; Cutting ferrule (12-1) is the hollow revolving body of tabular: top is round platform, middle and lower part is cylinder, center is the cylindrical macropore of two different-diameters with a sloped transition, is processed with a big groove below cylindrical macropore, uniform several radial screw bore on the sidewall in groove; Several piece voussoir (12-2) is housed in big groove, drive screw (12-3) is all housed in several radial screw bore; Voussoir (12-2) the little groove of radial direction that radial convex slot is inner with drive screw (12-3) is connected.
3. integrated rapid installing formula oil and gas extraction wellhead device according to claim 1 and 2, it is characterized in that: voussoir (12-2) forms with " blank cross section is rectangle; excircle has been got on the bus radial convex slot; endoporus top processes an aslope monoblock hollow ring " cutting, quantity 6 ~ 12 pieces, the shape and size of every block are identical.
4. integrated rapid installing formula oil and gas extraction wellhead device according to claim 1, is characterized in that: the axial line of two wing passages in body (1) middle level and four wing passages of the upper and lower staggers, and error angle α is 45 ° ~ 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629152.8U CN204960865U (en) | 2015-08-15 | 2015-08-15 | Whole ready -package oil recovery gas wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629152.8U CN204960865U (en) | 2015-08-15 | 2015-08-15 | Whole ready -package oil recovery gas wellhead assembly |
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| Publication Number | Publication Date |
|---|---|
| CN204960865U true CN204960865U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629152.8U Active CN204960865U (en) | 2015-08-15 | 2015-08-15 | Whole ready -package oil recovery gas wellhead assembly |
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| CN (1) | CN204960865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441390A (en) * | 2018-09-30 | 2019-03-08 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
| CN112878945A (en) * | 2021-01-19 | 2021-06-01 | 江苏卫东机械有限公司 | Integral wellhead assembly |
-
2015
- 2015-08-15 CN CN201520629152.8U patent/CN204960865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441390A (en) * | 2018-09-30 | 2019-03-08 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
| CN112878945A (en) * | 2021-01-19 | 2021-06-01 | 江苏卫东机械有限公司 | Integral wellhead assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |