CN204627507U - Sucker rod annular preventer - Google Patents

Sucker rod annular preventer Download PDF

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Publication number
CN204627507U
CN204627507U CN201520267478.0U CN201520267478U CN204627507U CN 204627507 U CN204627507 U CN 204627507U CN 201520267478 U CN201520267478 U CN 201520267478U CN 204627507 U CN204627507 U CN 204627507U
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China
Prior art keywords
glue spraying
horn mouth
way
platen
spraying core
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CN201520267478.0U
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Chinese (zh)
Inventor
张敏
李广义
李照红
南加瑞
徐古林
刘东明
尹登兰
雷宽成
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XI'AN YUXING PETROLEUM MACHINERY OF NEW TECHNOLOGY DEVELOPMENT Co Ltd
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XI'AN YUXING PETROLEUM MACHINERY OF NEW TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The utility model belongs to oilfield technology field, be specifically related to sucker rod annular preventer, comprise platen, anti-glue spraying core, middle spacer, four-way, described anti-glue spraying core and middle spacer are vertically located between platen and four-way side by side, described anti-glue spraying core is connected with middle spacer, described platen is connected with four-way, and described anti-glue spraying core upper end is connected with platen, and anti-glue spraying core lower end is located in four-way.Anti-glue spraying core of the present utility model is the double horn degree of lip-rounding, and sealing spot size is less than this body diameter of sucker rod, is conducive to the box cupling on sucker rod, centralizer passes; Because good, wear-resisting, the corrosion resistant polyurethane of anti-glue spraying core elastic deformation is raw material, so, very smooth when the sucker rod, box cupling, centralizer etc. larger than its internal orifice dimension pass through, effectively prevent crude oil from spraying and the crude oil wiped off on rod member.

Description

Sucker rod annular preventer
Technical field
The utility model belongs to oilfield technology field, is specifically related to sucker rod annular preventer.
Background technology
In oilfield downhole operation construction, carry out the key that oil well blowout-prevention is construction safety.Blowout preventer of sucker rod must be installed when rod job.At present, without unified blowout preventer of sucker rod on domestic each oil field, the blowout preventer for sucker rod of each device fabrication producer or oil field user development exist of a great variety, complex structure, cost are high, volume is large, thus increase and operate the shortcoming such as labour intensity.By the blowout preventer for sucker rod of contrast oil field at home constituent parts onsite application, optimize and have developed sucker rod annular preventer, this device have quick and easy for installation, volume is little, lightweight, the labour intensity of operative employee can be reduced widely, thus accomplished essential safety production.
Utility model content
The purpose of this utility model is to provide sucker rod annular preventer, to gush out or spray for preventing oil pipe and sucker rod annular space oil-water-gas from well head.
Sucker rod annular preventer, comprise platen, anti-glue spraying core, middle spacer, four-way, described anti-glue spraying core and middle spacer are vertically located between platen and four-way side by side, described anti-glue spraying core is connected with middle spacer, described platen is connected with four-way, described anti-glue spraying core upper end is connected with platen, and anti-glue spraying core lower end is located in four-way;
Be cavity in the middle part of described platen, top cylindrical or inner circle are provided with screw thread, and bottom is flange, and this flange lower surface is provided with the first seal groove and the first bolt hole.
Described anti-glue spraying core is connected to form from top to bottom successively by upper horn mouth, fusiformis inner chamber, lower horn mouth, described upper horn mouth and the equal opening of lower horn mouth are outwardly, described upper horn mouth terminal horizontal is provided with the first terminal pad, the above and below of this first terminal pad is respectively equipped with the first projection, the first lower convexity, described fusiformis lumen outer bump level connection joint has the second terminal pad, the above and below of this second terminal pad is respectively equipped with the second projection, the second lower convexity, and described fusiformis inner chamber and upper horn mouth, lower horn mouth intersection all form hollow inwall.
Described middle spacer is made up of the semicircular cylinder of two horizontal symmetrical, and the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove, and the upper and lower end surface symmetric in two ends is provided with the second seal groove, the 3rd seal groove;
Described four-way top is the four-way flange 17 be connected with anti-glue spraying core, and flange upper end is counterbore, and flange outer ring is the second bolt hole, described lower horn mouth be located at four-way upper logical in, lower hoop structure of leading to for hoop formula connects;
Described platen is connected by screw bolt passes first bolt hole and the second bolt hole bolt hole with four-way, described first projection of anti-glue spraying core is mated with the first seal groove of platen and fitted seal, described first lower convexity mates with the second seal groove and fitted seal, and described second projection is mated with the 3rd seal groove and fitted seal.
Described anti-glue spraying core is by upper horn mouth, fusiformis inner chamber, lower horn mouth connects to form from top to bottom successively, described upper horn mouth and the equal opening of lower horn mouth are outwardly, described upper horn mouth end and lower horn mouth end are arranged with the first terminal pad about anti-glue spraying core central horizontal, this the first terminal pad upper, be respectively equipped with the first projection below, first lower convexity, described fusiformis lumen outer bump level connection joint has the second terminal pad, this the second terminal pad upper, be respectively equipped with the second projection below, second lower convexity, described fusiformis inner chamber and upper horn mouth, lower horn mouth intersection all forms hollow inwall.
Described middle spacer is made up of the semicircular cylinder of two horizontal symmetrical, and the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove, and the upper and lower end surface symmetric in two ends is provided with the second seal groove, the 3rd seal groove;
The upper logical upper end of described four-way is the cylinder body be connected with anti-glue spraying core, and cylinder body welds with flange, and flange is provided with sealed groove, lower hoop structure of leading to for hoop formula connects;
Described platen is connected by screw bolt passes first bolt hole and the second bolt hole bolt hole with four-way, described first projection of anti-glue spraying core is mated with the first seal groove of platen and fitted seal, and described first lower convexity mates with the second seal groove and fitted seal.
The length of described hollow inwall is 20 ~ 40mm, and diameter is 12 ~ 16mm.
Described fusiformis cavity heights is 100 ~ 110mm, and middle part internal diameter is 50 ~ 70mm, and two ends diameter is 12 ~ 16mm, the large end of described upper horn mouth is 60 ~ 90mm, and small end is 12 ~ 16mm, is highly 20 ~ 40mm, the large end of described lower horn mouth is 60 ~ 90mm, and small end is 12 ~ 16mm, is highly 60 ~ 80mm.
Be barrel in the middle part of described four-way, about being arranged with left bypass and right bypass in the middle part of barrel, described right bypass is provided with plug.
Described anti-glue spraying core adopts polyurethane material.
The beneficial effects of the utility model are: anti-glue spraying core of the present utility model is the double horn degree of lip-rounding, and sealing spot size is less than this body diameter of sucker rod, is conducive to the box cupling on sucker rod, centralizer passes; Because good, wear-resisting, the corrosion resistant polyurethane of anti-glue spraying core elastic deformation is raw material, so, very smooth when the sucker rod, box cupling, centralizer etc. larger than its internal orifice dimension pass through, effectively prevent crude oil from spraying and the crude oil wiped off on rod member.
Be described in further details below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 be the first preventer of the utility model partly cut open structural representation;
Fig. 2 is press plate structure schematic diagram;
Fig. 3 is spacer structure schematic diagram in the first;
Fig. 4 is the first anti-glue spraying cored structure schematic diagram;
Fig. 5 is the first four-way structural representation;
Fig. 6 is the scheme of installation of the first preventer of the utility model on well head;
Fig. 7 be the utility model the second preventer partly cut open structural representation;
Fig. 8 is spacer structure schematic diagram in the second;
Fig. 9 is the second anti-glue spraying cored structure schematic diagram;
Figure 10 is the second four-way structural representation;
Figure 11 is the scheme of installation of the utility model the second preventer on well head.
In figure: 1, platen; 2, anti-glue spraying core; 3, middle spacer; 4, four-way; 5, plug; 6, the first bolt hole; 7, annular groove; 8, the first terminal pad; 9, the second terminal pad; 10, the first projection; 11, the first lower convexity; 12, the second projection; 13, the second lower convexity; 14, the first seal groove; 15, the second seal groove; 16, the 3rd seal groove; 17, four-way flange; 18, upper horn mouth; 19, lower horn mouth; 20, fusiformis inner chamber; 21, hollow inwall; 22, the second bolt hole; 23, barrel; 24, upper logical; 25, left bypass; 26, right bypass; 27, lower logical; 28, cylinder body; 29, sealed groove.
Detailed description of the invention
Embodiment 1:
Present embodiments provide a kind of sucker rod annular preventer as shown in Figure 1, comprise platen 1, anti-glue spraying core 2, middle spacer 3, four-way 4, anti-glue spraying core 2 and middle spacer 3 are vertically located between platen 1 and four-way 4 side by side, anti-glue spraying core 2 is connected with middle spacer 3, platen 1 is connected with four-way 4, anti-glue spraying core 2 upper end is connected with platen 1, and anti-glue spraying core 2 lower end is located in four-way 4;
Be cavity in the middle part of platen 1, top cylindrical or inner circle are provided with screw thread, and bottom is flange, and this flange lower surface is provided with the first seal groove 14 and the first bolt hole 6, as shown in Figure 2.
Anti-glue spraying core 2 is by upper horn mouth 18, fusiformis inner chamber 20, lower horn mouth 19 connects to form from top to bottom successively, described upper horn mouth 18 and the equal opening of lower horn mouth 19 are outwardly, described upper horn mouth 18 terminal horizontal is provided with the first terminal pad 8, this the first terminal pad 8 upper, be respectively equipped with the first projection 10 below, first lower convexity 11, described fusiformis inner chamber 20 outer bumps part level connection joint has the second terminal pad 9, this the second terminal pad 9 upper, be respectively equipped with the second projection 12 below, second lower convexity 13, described fusiformis inner chamber 20 and upper horn mouth 18, lower horn mouth 19 intersection all forms hollow inwall 21, as shown in Figure 4,
Middle spacer 3 is made up of the semicircular cylinder of two horizontal symmetrical, and the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove 7, and the upper and lower end surface symmetric in two ends is provided with the second seal groove 15, the 3rd seal groove 16, as shown in Figure 3;
Four-way 4 top is the four-way flange 17 be connected with anti-glue spraying core 2, and flange upper end is counterbore, and flange outer ring is the second bolt hole 22, and described lower horn mouth 19 is located in upper logical 24 of four-way 4, the lower logical 27 hoop structures connected for hoop formula, as shown in Figure 5;
Platen 1 is connected by screw bolt passes first bolt hole 6 and the second bolt hole 22 bolt hole with four-way 4, first projection 10 of anti-glue spraying core 2 is mated with the first seal groove 14 of platen 1 and fitted seal, first lower convexity 11 mates with the second seal groove 15 and fitted seal, makes to seal between platen 1, anti-glue spraying core 2.Middle spacer 3, four-way 4 form seal channel from top to bottom, prevent crude oil from spraying.As shown in Figure 6, during use, on gate valve sucker rod annular preventer being loaded on well head big four top, platen 1 upper end is connected with the secondary lubricator on well head by screw thread well head scheme of installation, gets final product work.
Embodiment 2:
Present embodiments provide a kind of fixed pumping rod annular preventer as shown in Figure 7, comprise platen 1, anti-glue spraying core 2, middle spacer 3, four-way 4, anti-glue spraying core 2 and middle spacer 3 are vertically located between platen 1 and four-way 4 side by side, anti-glue spraying core 2 is connected with middle spacer 3, platen 1 is connected with four-way 4, anti-glue spraying core 2 upper end is connected with platen 1, and anti-glue spraying core 2 lower end is located in four-way 4;
As shown in Figure 9, anti-glue spraying core 2 is by upper horn mouth, fusiformis inner chamber, lower horn mouth connects to form from top to bottom successively, upper horn mouth and the equal opening of lower horn mouth are outwardly, described upper horn mouth end and lower horn mouth end are arranged with the first terminal pad 8 about anti-glue spraying core 2 central horizontal, this the first terminal pad 8 upper, be respectively equipped with the first projection 10 below, first lower convexity 11, described fusiformis lumen outer bump level connection joint has the second terminal pad 9, this the second terminal pad 9 upper, be respectively equipped with the second projection 12 below, second lower convexity 13, described fusiformis inner chamber and upper horn mouth, lower horn mouth intersection all forms hollow inwall.
Be cavity in the middle part of platen 1, top cylindrical or inner circle are provided with screw thread, and bottom is flange, and this flange lower surface is provided with the first seal groove 14 and the first bolt hole 6, as shown in Figure 2.
Middle spacer 3 is made up of the semicircular cylinder of two horizontal symmetrical, and the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove, and the upper and lower end surface symmetric in two ends is provided with the second seal groove 15, the 3rd seal groove 16.
The upper logical upper end of four-way 4 is the cylinder body be connected with anti-glue spraying core 2, and cylinder body 28 welds with flange, and flange is provided with sealed groove 29, lower hoop structure of leading to for hoop formula connects, as shown in Figure 10;
Platen 1 is connected by screw bolt passes first bolt hole 6 and the second bolt hole 22 bolt hole with four-way 4, first projection 10 of described anti-glue spraying core 2 is mated with the first seal groove 14 of platen 1 and fitted seal, and the first lower convexity 11 mates with the second seal groove 15 and fitted seal.
Be clamped with anti-glue spraying core 2 and middle spacer 3 between platen 1 and four-way 4 in the present embodiment, make platen 1, middle spacer 3, four-way 4, anti-glue spraying core 2, formation seal channel from top to bottom, prevent crude oil from spraying.As shown in figure 11, during use, on gate valve sucker rod annular preventer being loaded on well head big four top, platen 1 upper end is connected with the secondary lubricator on well head by screw thread well head scheme of installation, gets final product work.
Embodiment 3:
On the basis of embodiment 1 or embodiment 2, fusiformis inner chamber 20 and upper horn mouth 18, lower horn mouth 19 intersection all form hollow inwall 21, the length of hollow inwall 21 is 20 ~ 40mm, diameter is 12 ~ 16mm, fusiformis inner chamber 20 is highly 100 ~ 110mm, middle part internal diameter is 50 ~ 70mm, two ends diameter is 12 ~ 16mm, upper horn mouth 18 greatly end is 60 ~ 90mm, and small end is 12 ~ 16mm, is highly 20 ~ 40mm, lower horn mouth 19 greatly end is 60 ~ 90mm, small end is 12 ~ 16mm, is highly 60 ~ 80mm, and main purpose is the box cupling be conducive on sucker rod, centralizer passes.When well head is installed and used, on gate valve sucker rod annular preventer being loaded on well head big four top, platen 1 upper end is connected with the secondary lubricator on well head by screw thread, gets final product work.
Embodiment 4:
On the basis of embodiment 1 or embodiment 2, anti-glue spraying core 2 adopts polyurethane material, because the diameter of sucker rod is at 15 ~ 25 millimeters, the external diameter of box cupling and centralizer, within 60 millimeters, because anti-glue spraying core 2 is raw material with good, wear-resisting, the corrosion resistant polyurethane of elastic deformation, has good retractility, so, very smooth when the sucker rod, box cupling, centralizer etc. larger than its internal orifice dimension pass through, while wiping the crude oil on it off, also hold sucker rod all the time tightly, play sealing function.When well head is installed and used, on gate valve sucker rod annular preventer being loaded on well head big four top, platen 1 upper end is connected with the secondary lubricator on well head by screw thread, gets final product work.
The present embodiment does not have specifically described part all to belong to common practise and the known technology of the art, describes in detail no longer one by one herein.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.

Claims (9)

1. a sucker rod annular preventer, it is characterized in that: comprise platen (1), anti-glue spraying core (2), middle spacer (3), four-way (4), described anti-glue spraying core (2) and middle spacer (3) are vertically located between platen (1) and four-way (4) side by side, described anti-glue spraying core (2) is connected with middle spacer (3), described platen (1) is connected with four-way (4), described anti-glue spraying core (2) upper end is connected with platen (1), and anti-glue spraying core (2) lower end is located in four-way (4);
Described platen (1) middle part is cavity, and top cylindrical or inner circle are provided with screw thread, and bottom is flange, and this flange lower surface is provided with the first seal groove (14) and the first bolt hole (6).
2. sucker rod annular preventer according to claim 1, it is characterized in that: described anti-glue spraying core (2) is by upper horn mouth (18), fusiformis inner chamber (20), lower horn mouth (19) connects to form from top to bottom successively, described upper horn mouth (18) and the equal opening of lower horn mouth (19) are outwardly, described upper horn mouth (18) terminal horizontal is provided with the first terminal pad (8), this the first terminal pad (8) upper, be respectively equipped with the first projection (10) below, first lower convexity (11), described fusiformis inner chamber (20) outer bumps part level connection joint has the second terminal pad (9), this the second terminal pad (9) upper, be respectively equipped with the second projection (12) below, second lower convexity (13), described fusiformis inner chamber (20) and upper horn mouth (18), lower horn mouth (19) intersection all forms hollow inwall (21).
3. sucker rod annular preventer according to claim 2, it is characterized in that: described middle spacer (3) is made up of the semicircular cylinder of two horizontal symmetrical, the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove (7), and the upper and lower end surface symmetric in two ends is provided with the second seal groove (15), the 3rd seal groove (16);
Described four-way (4) top is the four-way flange (17) be connected with anti-glue spraying core (2), flange upper end is counterbore, flange outer ring is the second bolt hole (22), described lower horn mouth (19) is located in upper logical (24) of four-way (4), the hoop structure that lower logical (27) connect for hoop formula;
Described platen (1) is connected by screw bolt passes first bolt hole (6) and the second bolt hole (22) bolt hole with four-way (4), described first projection (10) of anti-glue spraying core (2) is mated with first seal groove (14) of platen (1) and fitted seal, described first lower convexity (11) is mated with the second seal groove (15) and fitted seal, and described second projection (12) is mated with the 3rd seal groove (16) and fitted seal.
4. sucker rod annular preventer according to claim 1, it is characterized in that: described anti-glue spraying core (2) is by upper horn mouth (18), fusiformis inner chamber (20), lower horn mouth (19) connects to form from top to bottom successively, described upper horn mouth (18) and the equal opening of lower horn mouth (19) are outwardly, described upper horn mouth (18) end and lower horn mouth end are arranged with the first terminal pad (8) about anti-glue spraying core (2) central horizontal, this the first terminal pad (8) upper, be respectively equipped with the first projection (10) below, first lower convexity (11), described fusiformis inner chamber (20) outer bumps part level connection joint has the second terminal pad (9), this the second terminal pad (9) upper, be respectively equipped with the second projection (12) below, second lower convexity (13), described fusiformis inner chamber (20) and upper horn mouth (18), lower horn mouth (19) intersection all forms hollow inwall (21).
5. sucker rod annular preventer according to claim 4, it is characterized in that: described middle spacer (3) is made up of the semicircular cylinder of two horizontal symmetrical, the external surface intermediate symmetry of two semicircular cylinders is provided with annular groove (7), and the upper and lower end surface symmetric in two ends is provided with the second seal groove (15), the 3rd seal groove (16);
The upper logical upper end of described four-way is the cylinder body (28) be connected with anti-glue spraying core, and cylinder body (28) welds with flange, and flange is provided with sealed groove (29), the hoop structure that lower logical (27) connect for hoop formula;
Described platen (1) is connected by screw bolt passes first bolt hole (6) and the second bolt hole (22) bolt hole with four-way (4), described first projection (10) of anti-glue spraying core (2) is mated with first seal groove (14) of platen (1) and fitted seal, and described first lower convexity (11) is mated with the second seal groove (15) and fitted seal.
6. the sucker rod annular preventer according to claim 2 or 4, is characterized in that: the length of described hollow inwall (21) is 20 ~ 40mm, and diameter is 12 ~ 16mm.
7. sucker rod annular preventer according to claim 6, it is characterized in that: described fusiformis inner chamber (20) is highly 100 ~ 110mm, middle part internal diameter is 50 ~ 70mm, two ends diameter is 12 ~ 16mm, and described upper horn mouth (18) greatly end is 60 ~ 90mm, and small end is 12 ~ 16mm, be highly 20 ~ 40mm, described lower horn mouth (19) greatly end is 60 ~ 90mm, and small end is 12 ~ 16mm, is highly 60 ~ 80mm.
8. the sucker rod annular preventer according to claim 3 or 4, it is characterized in that: described four-way (4) middle part is barrel (23), be arranged with left bypass (25) and right bypass (26) about barrel (23) middle part, described right bypass (26) is provided with plug (5).
9. sucker rod annular preventer according to claim 1, is characterized in that: described anti-glue spraying core (2) adopts polyurethane material.
CN201520267478.0U 2014-12-20 2015-04-29 Sucker rod annular preventer Active CN204627507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520267478.0U CN204627507U (en) 2014-12-20 2015-04-29 Sucker rod annular preventer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201420810179 2014-12-20
CN2014208101792 2014-12-20
CN201520267478.0U CN204627507U (en) 2014-12-20 2015-04-29 Sucker rod annular preventer

Publications (1)

Publication Number Publication Date
CN204627507U true CN204627507U (en) 2015-09-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355194A (en) * 2017-08-30 2017-11-17 中联煤层气有限责任公司 A kind of annular preventer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355194A (en) * 2017-08-30 2017-11-17 中联煤层气有限责任公司 A kind of annular preventer

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