CN203239299U - Filling device for filling gravels into horizontal well pipe - Google Patents
Filling device for filling gravels into horizontal well pipe Download PDFInfo
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- CN203239299U CN203239299U CN 201320153549 CN201320153549U CN203239299U CN 203239299 U CN203239299 U CN 203239299U CN 201320153549 CN201320153549 CN 201320153549 CN 201320153549 U CN201320153549 U CN 201320153549U CN 203239299 U CN203239299 U CN 203239299U
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- filling
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- cylindrical shell
- sliding sleeve
- hand member
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Abstract
The utility model discloses a filling device for filling gravels into a horizontal well pipe. The filling device comprises a pipe filling service tool and a pipe filling tool, wherein a plurality of first filling holes are formed in the circumference of the pipe filling service tool; the pipe filling service tool is connected to the inner part of the pipe filling tool; the pipe filling tool comprises an upper joint, a filling switch element, a shell, a positioning ring and a lower joint, wherein the upper and lower joints are respectively connected to the left and right ends of the pipe filling tool; the left end of the filling switch element is connected with the upper joint; the right end of the filling switch element is connected with the shell; the lower joint is connected to the right end of the shell; the positioning ring is connected to the shell, and is located on the left side of the lower joint; the filling switch element comprises a filling cylinder, a sliding sleeve and a plurality of second filling holes; the sliding sleeve is located on the radial inner side of the second filling holes; the first and second filling holes are corresponding one by one; and under the action of the pipe filling service tool, the sliding sleeve is capable of axially sliding so as to open or close the second filling holes.
Description
Technical field
The utility model relates to the sand control specialty in the petroleum production engineering, particularly relates to a kind of device for filling for the horizontal well cased hole gravel packing.
Background technology
Well-case perforating completion, screen sand control completion are the main completion mode of horizontal well, along with the carrying out that produces, in case sand production then needs to carry out sand control in the horizontal well tube.The gravel filling sand prevention technology is one of sand control technique in the horizontal well tube in the horizontal well tube, has the advantages that sand controlling result is outstanding, the sand control life is long.Use this technology and can effectively prevent sand production, especially fine silt is had good prevention effect, and can make oil well give full play to production capacity.
At present, the packing tool that the gravel filling sand prevention technology adopts in the horizontal well tube is installed in top (in the protective casing at horizontal well heel place) mostly, and normal being combined with each other with packer of packing tool forms the interior device for filling of horizontal well tube, this kind device contain set, hang, give up, the functional entity such as back-up sand, backwash, complex structure, external diameter are large, the problem that has the difficulty of being lowered to and functional entity to lose efficacy in work progress causes the back-up sand failure.
The utility model content
The purpose of this utility model is, a kind of device for filling for the horizontal well cased hole gravel packing is provided, and it is simple in structure, reduced the difficulty of filling construction, can realize circulating gravel packing and extruding gravel pack in the horizontal well tube.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of device for filling for the horizontal well cased hole gravel packing, described device for filling comprises: the casing pack service aid, edge is circumferentially with a plurality of the first filler openings on it; The casing pack instrument, its inside is connecting above-mentioned casing pack service aid, described casing pack instrument comprises top connection, the filling switch module, overcoat, locating ring and lower contact, on described, lower contact is connected to the left side of described casing pack instrument, right two ends, the left end of described filling switch module connects top connection, the right-hand member of filling switch module connects described overcoat, described lower contact is connected to the right-hand member of described overcoat, described locating ring connects on the coat, and be positioned at the left side of described lower contact, described filling switch module comprises the filling cylinder, sliding sleeve and a plurality of the second filler opening, the left end of described filling cylinder connects described top connection, the left end of the inside of described filling cylinder is connected with sealing ring, the right-hand member of filling cylinder connects described overcoat, described filling cylinder is provided with described the second filler opening, and described sliding sleeve is positioned at the radially inner side of the second filler opening, and described the second filler opening is corresponding with the first filler opening; By described casing pack service aid, described sliding sleeve can be connected in the inboard of filling cylinder axially slidably, to open or close the second filler opening.
Aforesaid device for filling for the horizontal well cased hole gravel packing, described sliding sleeve has cylinder and sliding sleeve projection, described sliding sleeve projection is connected to the right-hand member of cylinder, described overcoat be internally connected with spring, the two ends of described spring are resisted against respectively sliding sleeve projection and described locating ring.
Aforesaid device for filling for the horizontal well cased hole gravel packing, described filling switch module also comprises casing protector, described casing protector connects the right-hand member of described filling cylinder, and is positioned at the left of described overcoat.
Aforesaid device for filling for the horizontal well cased hole gravel packing; described filling cylinder comprises interconnective the first cylindrical shell and the second cylindrical shell; described the first cylindrical shell is positioned at the left side of the second cylindrical shell; described the second filler opening is set between described first and second cylindrical shell; the medial surface of described the second cylindrical shell is concordant with the medial surface of the first cylindrical shell; the lateral surface of the second cylindrical shell outwards protrudes from the lateral surface of the first cylindrical shell; the right-hand member of described casing protector is connected to the outside of the second cylindrical shell, and the outside of the left end of casing protector and the first cylindrical shell has opening.
Aforesaid device for filling for the horizontal well cased hole gravel packing, described casing pack service aid comprises filling pipe and guide rod, described filling pipe is provided with described the first pack hole, the right-hand member outside of described filling pipe is provided with step, the right-hand member internal whorl of filling pipe connects described guide rod, and the left end of described guide rod is positioned at the right-hand of the first pack hole, and the right-hand member of guide rod is cone-shaped; Along with described casing pack service aid is established in the described casing pack instrument, described step promotes described sliding sleeve and moves right, to open described the second pack hole.
Aforesaid device for filling for the horizontal well cased hole gravel packing, the left end of described guide rod is provided with cone.
Aforesaid device for filling for the horizontal well cased hole gravel packing, the right-hand member of described guide rod is provided with locating slot along being circumferentially with a plurality of guide waies between each guide way, and described locating ring is provided with positioning key; Be inserted under the state of described casing pack instrument at described casing pack service aid, described positioning key is inserted in the locating slot.
Characteristics of the present utility model and advantage are:
1, this device for filling outside dimension is little, can be installed in the horizontal well bottom, does not affect latus rectum in the cased hole gravel packing sand control pipe.
2, this device for filling mechanism such as need not to set, hang, give up is simple in structure, has reduced the filling difficulty of construction.
3, this device for filling applicability is strong, can be used for circulating gravel packing and extruding gravel pack in the horizontal well tube, is particularly useful for gravel filling sand prevention in the heavy crude heat extraction horizontal well tube.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 be the utility model embodiment the device for filling that is used for the horizontal well cased hole gravel packing the casing pack instrument partly cut open schematic diagram;
Fig. 2 be the utility model embodiment the device for filling that is used for the horizontal well cased hole gravel packing the casing pack service aid partly cut open schematic diagram;
Fig. 3 be the utility model embodiment the device for filling that is used for the horizontal well cased hole gravel packing partly cut open schematic diagram;
Fig. 4 is the cased hole gravel packing technique implementation procedure exemplary plot that has adopted the utility model embodiment;
Fig. 5 is the A-A line generalized section of Fig. 1;
Fig. 6 is the B-B line generalized section of Fig. 1;
Fig. 7 is the C-C line generalized section of Fig. 2;
Fig. 8 is the D-D line generalized section of Fig. 2;
Fig. 9 is the E-E line generalized section of Fig. 3;
Figure 10 is the F-F line generalized section of Fig. 3.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Left and right sides position relationship herein is for the use state (be position relationship in Fig. 3) of device for filling in horizontal well.
The device for filling that is used for the horizontal well cased hole gravel packing extremely shown in Figure 10 such as Fig. 1, that the utility model embodiment proposes, it comprises casing pack service aid 1 and casing pack instrument 2.Described casing pack service aid 1, edge is circumferentially with a plurality of the first filler opening 1a on it.The inside of described casing pack instrument 2 is connecting above-mentioned casing pack service aid 1, and described casing pack instrument 2 comprises top connection 2a, filling switch module 2b, overcoat 2c, locating ring 2d and lower contact 2e.On described, lower contact 2a, 2e is connected to the left side of described casing pack instrument 2, right two ends, the left end of described filling switch module 2b connects top connection 2a, the right-hand member of filling switch module 2b connects described overcoat 2c, described lower contact 2e is connected to the right-hand member of described overcoat 2c, described locating ring 2d is connected on the overcoat 2c, and be positioned at the left side of described lower contact 2e, described filling switch module 2b comprises sliding sleeve 2b1, a plurality of the second filler opening 2b2 and filling cylinder 2b3, sliding sleeve 2b1 is positioned at the radially inner side of the second filler opening 2b2, and described the second filler opening 2b2 is corresponding with the first filler opening 1a; By the effect of described casing pack service aid 1, described sliding sleeve 2b1 can endwisely slip, to open or close the second filler opening 1a.
The left end of described filling cylinder 2b3 connects described top connection 2a, the right-hand member of filling cylinder 2b3 connects described overcoat 2c, described filling cylinder 2b3 is provided with described the second filler opening 2b2, and described sliding sleeve 2b1 can be connected in the inboard of filling cylinder 2b3 axially slidably, to open or close the second filler opening 2b2.
Wherein, described locating ring 2d is fastened in the described overcoat 2c by fixing pin 2d1; Described top connection 2a is used for gravel filling sand prevention tubing string 3 in the tube connector, and lower contact 2e is used for gravel filling sand prevention tubing string 3 in the tube connector.
In the present embodiment, when casing pack service aid 1 enters casing pack instrument 2 when interior, its sliding sleeve 2b1 that promotes casing pack instrument 2 does axially and moves right, and the second filler opening 2b2 is opened, and first and second filler opening 1a, 2b2 are corresponding, can realize the gravel pack in the horizontal well tube.When back-up sand finishes, casing pack service aid 1 separates with casing pack instrument 2, and sliding sleeve 2b1 has lost the effect of casing pack service aid 1 and done axially to left movement, and the second filler opening 2b2 is closed.
Described filling switch module 2b also comprises casing protector 2b4, and described casing protector 2b4 connects the right-hand member of described filling cylinder 2b3, and is positioned at the left of described overcoat 2c.Furthermore; described casing protector 2b4 is cylindric; it is threadedly connected to the right-hand member of filling cylinder 2b3; the radial motion of the liquid that it will flow out via first and second pack hole 1a, 2b2 changes axially-movable left into; avoided liquid directly to impact completion tubular column 5, completion tubular column 5 has been played a protective role.
Described filling cylinder 2b3 comprises interconnective the first cylindrical shell 2b5 and the second cylindrical shell 2b6, described the first cylindrical shell 2b5 is positioned at the left side of the second cylindrical shell 2b6, between described first and second cylindrical shell 2b5, the 2b6 the second filler opening 2b2 is set, described the first cylindrical shell 2b5 is threadedly connected to top connection 2a, and the second cylindrical shell 2b6 is threadedly connected to overcoat 2c.Wherein, the medial surface of described the second cylindrical shell 2b6 is concordant with the medial surface of the first cylindrical shell 2b5; namely be positioned on the same axial plane; the lateral surface of the second cylindrical shell 2b6 outwards protrudes from the lateral surface of the first cylindrical shell 2b5; the right-hand member of described casing protector 2b4 is connected to the outside of the second cylindrical shell 2b6, and the outside of the left end of casing protector 2b4 and the first cylindrical shell 2b5 has opening.
According to an embodiment of the present utility model, described sliding sleeve 2b1 has cylinder 2b7 and sliding sleeve projection 2b8, described sliding sleeve projection 2b8 is connected to the right-hand member of cylinder 2b7, described overcoat 2b1 is internally connected with spring 2f, and the two ends of described spring 2f are resisted against respectively sliding sleeve projection 2b8 and described locating ring 2d.Wherein, described sliding sleeve 2b1 can simply, firmly slide and be arranged at the inboard of filling cylinder 2b3 under the effect of spring 2f.
The left end of the inside of described filling cylinder 2b3 is connected with sealing ring 2h.Described sealing ring 2h plays sealing function to the fit clearance between the external surface of filling cylinder 2b3 inner surface and casing pack service aid 1.
According to an embodiment of the present utility model, cooperate shown in Figure 7, described casing pack service aid 1 comprises filling pipe 1b and guide rod 1c, described filling pipe 1b is provided with described the first pack hole 1a, the right-hand member outside of described filling pipe 1b is provided with step 1d, and the right-hand member internal whorl of filling pipe 1b connects described guide rod 1c, and the left end of described guide rod 1c is positioned at the right-hand of the first pack hole 1a, the right-hand member of guide rod 1c is cone-shaped, the effect that is lowered in well to play the described casing pack service aid 1 of guiding; Along with described casing pack service aid 1 is established in the described casing pack instrument 2, described step 1d promotes described sliding sleeve 2b1 and moves right, to open described the second pack hole 2b2.
In the present embodiment, when casing pack service aid 1 was packed casing pack instrument 2 into, step 1d promoted sliding sleeve 2b1 and axially slides to the right, when the left surface of sliding sleeve 2b1 is crossed the left surface of the second cylindrical shell 2b6 of filling cylinder 2b3, the second pack hole 2b2 is in full open position, as shown in Figure 3; When casing pack service aid 1 leaves casing pack instrument 2, sliding sleeve 2b1 loses the motive force of step 1d, and further under the effect of spring 2f, sliding sleeve 2b1 axially slides left, when the left surface of the sliding sleeve projection 2b8 of the right-hand member of sliding sleeve 2b1 contacts with the right flank of the second cylindrical shell 2b6, be that sliding sleeve 2b1 is in motion limit on the left state, this moment, the second pack hole 2b2 was in closed condition, as shown in Figure 1.
The left end of described filling pipe 1b is processed with the oil pipe internal thread, is used for connecting back-up sand tubing string 4; The right-hand member of filling pipe 1b is processed with internal thread, and 1c is connected with guide rod.
According to an embodiment of the present utility model, the left end of described guide rod 1c is provided with cone 1e, and load fluid and gravel are played guide effect, utilizes reflection effect, makes the axial flow to the right of the interior load fluid of filling pipe 1b and gravel change Radial Flow into.
Cooperate Fig. 2, Fig. 6 and shown in Figure 8, the right-hand member of described guide rod 1c is provided with locating slot 1g along being circumferentially with a plurality of guide way 1f between each guide way 1f; Described locating ring 2d is provided with positioning key 2d2, is inserted at casing pack service aid 1 under the state of casing pack instrument 2, and described positioning key 2d2 is inserted in the locating slot 1g, plays positioning action.
The following describes the technological principle of the utility model embodiment.
As shown in Figure 4, at first described casing pack instrument 2 is lowered to cased hole gravel packing sand control pipe 3 one, lower bottom at horizontal well.Casing pack service aid 1 is installed in the bottom of back-up sand tubing string 4, is lowered to back-up sand tubing string 4.With packing tool 1 inner chamber in casing pack service aid 1 Inserting Tube, under the unlatching effect of casing pack service aid 1, the second pack hole 2b2 of casing pack instrument 2 opens, the first pack hole 1a of casing pack service aid 1 and the second pack hole 2b2 of casing pack instrument 2 over against.
Utilize this device for filling can realize circulating gravel packing and the interior extruding of horizontal well tube gravel pack in the horizontal well tube.
Circulating gravel packing is as example in the horizontal well tube: open the collar piping gate, on ground to back-up sand tubing string 4 interior infusion load fluid and gravels, load fluid flows downward with gravel, pass through successively casing pack service aid 1 pack hole and casing pack instrument 2 pack holes, flow to the annular space between completion tubular column 5 and the cased hole gravel packing sand control pipe 3; Load fluid is carrying gravel on one side toward the direction motion of sand control packer 6, filter to cased hole gravel packing sand control pipe 3 on one side, the annular space between the annular space between cased hole gravel packing sand control pipe 3 and the back-up sand tubing string 4, protective casing 7 and back-up sand tubing string 4 turns back to ground successively.Gravel then is deposited on the annular space between completion tubular column 5 and the cased hole gravel packing sand control pipe 3.Thereby circulating gravel packing in the realization horizontal well tube.
Back-up sand finishes, and will carry on the back-up sand tubing string 4, and casing pack service aid 1 separates with casing pack instrument 2, and the second pack hole 2b2 is closed; From ground to protective casing 7 and back-up sand tubing string 4 between annular space infusion backwash liquor, backwash liquor moves downward, because the second pack hole 2b2 closes, backwash liquor can only the annular space between cased hole gravel packing sand control pipe 3 and back-up sand tubing string 4 flows to the first pack hole 1a of casing pack service aid 1, the first pack hole 1a through casing pack service aid 1 enters in the back-up sand tubing string 4, turn back to ground along back-up sand tubing string 4, thereby realize backwash.
Wherein, the upper end of completion tubular column 5 has completion tool 8.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes to the utility model embodiment according to the disclosed content of present specification, modification or combination and do not break away from spirit and scope of the present utility model.
Claims (7)
1. a device for filling that is used for the horizontal well cased hole gravel packing is characterized in that, described device for filling comprises:
The casing pack service aid, edge is circumferentially with a plurality of the first filler openings on it;
The casing pack instrument, its inside is connecting above-mentioned casing pack service aid, described casing pack instrument comprises top connection, the filling switch module, overcoat, locating ring and lower contact, on described, lower contact is connected to the left side of described casing pack instrument, right two ends, the left end of described filling switch module connects top connection, the right-hand member of filling switch module connects described overcoat, described lower contact is connected to the right-hand member of described overcoat, described locating ring connects on the coat, and be positioned at the left side of described lower contact, described filling switch module comprises the filling cylinder, sliding sleeve and a plurality of the second filler opening, the left end of described filling cylinder connects described top connection, the left end of the inside of described filling cylinder is connected with sealing ring, the right-hand member of filling cylinder connects described overcoat, described filling cylinder is provided with described the second filler opening, and described sliding sleeve is positioned at the radially inner side of the second filler opening, and described the second filler opening is corresponding with the first filler opening; By described casing pack service aid, described sliding sleeve can be connected in the inboard of filling cylinder axially slidably, to open or close the second filler opening.
2. the device for filling for the horizontal well cased hole gravel packing according to claim 1, it is characterized in that, described sliding sleeve has cylinder and sliding sleeve projection, described sliding sleeve projection is connected to the right-hand member of cylinder, described overcoat be internally connected with spring, the two ends of described spring are resisted against respectively sliding sleeve projection and described locating ring.
3. the device for filling for the horizontal well cased hole gravel packing according to claim 1 is characterized in that, described filling switch module also comprises casing protector, and described casing protector connects the right-hand member of described filling cylinder, and is positioned at the left of described overcoat.
4. the device for filling for the horizontal well cased hole gravel packing according to claim 3; it is characterized in that; described filling cylinder comprises interconnective the first cylindrical shell and the second cylindrical shell; described the first cylindrical shell is positioned at the left side of the second cylindrical shell; described first; described the second filler opening is set between two cylindrical shells; the medial surface of described the second cylindrical shell is concordant with the medial surface of the first cylindrical shell; the lateral surface of the second cylindrical shell outwards protrudes from the lateral surface of the first cylindrical shell; the right-hand member of described casing protector is connected to the outside of the second cylindrical shell, and the outside of the left end of casing protector and the first cylindrical shell has opening.
5. the device for filling for the horizontal well cased hole gravel packing according to claim 1, it is characterized in that, described casing pack service aid comprises filling pipe and guide rod, described filling pipe is provided with described the first pack hole, the right-hand member outside of described filling pipe is provided with step, the right-hand member internal whorl of filling pipe connects described guide rod, and the left end of described guide rod is positioned at the right-hand of the first pack hole, and the right-hand member of guide rod is cone-shaped; Along with described casing pack service aid is established in the described casing pack instrument, described step promotes described sliding sleeve and moves right, to open described the second pack hole.
6. the device for filling for the horizontal well cased hole gravel packing according to claim 5 is characterized in that, the left end of described guide rod is provided with cone.
7. the device for filling for the horizontal well cased hole gravel packing according to claim 5 is characterized in that, the right-hand member of described guide rod is provided with locating slot along being circumferentially with a plurality of guide waies between each guide way, and described locating ring is provided with positioning key; Be inserted under the state of described casing pack instrument at described casing pack service aid, described positioning key is inserted in the locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153549 CN203239299U (en) | 2013-03-29 | 2013-03-29 | Filling device for filling gravels into horizontal well pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153549 CN203239299U (en) | 2013-03-29 | 2013-03-29 | Filling device for filling gravels into horizontal well pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239299U true CN203239299U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320153549 Expired - Fee Related CN203239299U (en) | 2013-03-29 | 2013-03-29 | Filling device for filling gravels into horizontal well pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239299U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291255A (en) * | 2013-03-29 | 2013-09-11 | 中国石油天然气股份有限公司 | Packing device for cased hole gravel packing of horizontal well |
| CN104879099A (en) * | 2015-04-28 | 2015-09-02 | 中国海洋石油总公司 | Gravel packing pipe column and gravel packing method |
| CN105484708A (en) * | 2015-12-30 | 2016-04-13 | 中国石油天然气股份有限公司 | Rotating sliding sleeve type bottom filling device for gravel fill |
-
2013
- 2013-03-29 CN CN 201320153549 patent/CN203239299U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291255A (en) * | 2013-03-29 | 2013-09-11 | 中国石油天然气股份有限公司 | Packing device for cased hole gravel packing of horizontal well |
| CN104879099A (en) * | 2015-04-28 | 2015-09-02 | 中国海洋石油总公司 | Gravel packing pipe column and gravel packing method |
| CN104879099B (en) * | 2015-04-28 | 2017-11-10 | 中国海洋石油总公司 | Gravel fills tubing string and gravel pack methods |
| CN105484708A (en) * | 2015-12-30 | 2016-04-13 | 中国石油天然气股份有限公司 | Rotating sliding sleeve type bottom filling device for gravel fill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20210329 |