CN208280912U - Drilling apparatus and volume increase tubing string with it - Google Patents
Drilling apparatus and volume increase tubing string with it Download PDFInfo
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- CN208280912U CN208280912U CN201820833805.8U CN201820833805U CN208280912U CN 208280912 U CN208280912 U CN 208280912U CN 201820833805 U CN201820833805 U CN 201820833805U CN 208280912 U CN208280912 U CN 208280912U
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- drilling
- pipe
- tubing string
- drilling apparatus
- volume increase
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Abstract
The utility model discloses a kind of drilling apparatus and with its volume increase tubing string, drilling apparatus includes: ontology, an at least Motorized drive unit, at least one pushes pipe and at least one drilling combination, the casing of ontology connection volume increase tubing string, at least one drilling through-hole is provided on ontology, at least a Motorized drive unit is set in casing, at least one promotion pipe is set in ontology, each one end for pushing pipe is connected correspondingly to each Motorized drive unit, at least one drilling combination is arranged in correspondence at least one drilling through-hole, each other end for pushing pipe is connected correspondingly to each drilling combination, when drilling apparatus tripping in stratum in place after, fluid is injected to casing, accordingly pushing and pressing push pipe mobile to Motorized drive unit under fluid matasomatism, pipe is pushed accordingly to carry out stratum drilling after the combination of pushing and pressing drilling leans out drilling through-hole.
Description
Technical field
The utility model relates to a kind of drilling apparatus and with its volume increase tubing string, specifically, more particularly to a kind of tree
The drilling apparatus and volume increase tubing string of root knot structure multiple-limb wellbore.
Background technique
Currently, individual well underground yield-increasing technology is mainly fracture acidizing and radial direction well.Radial direction well technology is mainly benefit
With the energy of high-pressure water jet, several radial branched bottoms are formed in oil-gas Layer by main borehole, length is up to 100m, well
Diameter increases oil gas circulation passage up to 50mm, increases drainage area, to increase yield.Since acid-fracture technology is difficult to control
Effect of increasing production processed, operating cost is high, and duty cycle is long, and current radial direction well technology is radially bored within certain activity duration
Into limited amount, therefore be badly in need of develop a kind of drilling apparatus for overcoming drawbacks described above and the volume increase tubing string with it.
Therefore a kind of new yield-increasing technology is needed, the more efficient formation of low cost can more it lead within certain time
Road, to discharge the yield of oil-gas reservoir.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of drilling apparatus, are suitable for volume increase tubing string, wherein
The drilling apparatus includes:
Ontology is connected to the casing of the volume increase tubing string, at least one drilling through-hole is provided on the ontology；
An at least Motorized drive unit, is set in described sleeve pipe；
At least one pushes pipe, is set in the ontology, and each described one end for pushing pipe is connected correspondingly to each institute
State Motorized drive unit；
At least one drilling combination, be arranged in correspondence in at least one drilling through-hole, it is each it is described promotion pipe it is another
End is connected correspondingly to each drilling combination；
When drilling apparatus tripping in stratum in place after, inject fluid to described sleeve pipe, the Motorized drive unit flowing
It is mobile that the promotion pipe is accordingly pushed against under body effect, the promotion pipe accordingly pushes against the drilling combination and leans out the drilling
Stratum drilling is carried out after through-hole.
Above-mentioned drilling apparatus, wherein the ontology has the directed cavity of big orifice, and the drilling through-hole is connected to described
Directed cavity, the promotion pipe are set in the directed cavity.
Above-mentioned drilling apparatus, wherein the drilling through-hole has an angle, and the drilling combination is along the drilling through-hole
Angle direction carry out stratum drilling.
Above-mentioned drilling apparatus, wherein check valve installing port is additionally provided on the ontology, the drilling apparatus further includes
Check valve, the check valve are installed on the check valve installing port, and the fluid external positioned at described passes through the check valve
It is back in the ontology and described sleeve pipe.
Above-mentioned drilling apparatus, wherein filter screen is also installed on the check valve, to the fluid for flowing into check valve
It is filtered.
Above-mentioned drilling apparatus, wherein the Motorized drive unit is power turbine.
Above-mentioned drilling apparatus, wherein drilling group is combined into turbodrill combination, and the fluid in described sleeve pipe is pushed away by described
Dynamic pipe is delivered to the turbodrill combination, and the turbodrill combination carries out stratum drilling under the fluid matasomatism.
Above-mentioned drilling apparatus, wherein drilling group is combined into hydraulic punch erosion combination, and the fluid in described sleeve pipe is pushed away by described
Dynamic pipe is delivered to the hydraulic erosion combination, and fluid described in the hydraulic erosion combined jet carries out stratum drilling.
The utility model also provides a kind of volume increase tubing string, wherein including conveying device, hanging packer, multiple casings, more
A pipeline anchoring device and multiple drilling apparatus described in any item among the above, the hanging packer are connected to the conveying dress
It sets, one of multiple described sleeve pipes are connected to the hanging packer, multiple described sleeve pipes and multiple drilling apparatus
It is cross-linked.
Above-mentioned volume increase tubing string, wherein further include multiple pipeline anchoring devices, be respectively arranged in multiple described sleeve pipes.
Above-mentioned volume increase tubing string, wherein further include pressure charging valve, be connected to the drilling apparatus positioned at bottom.
Above-mentioned volume increase tubing string, wherein the conveying device is drilling rod or tubing and casing.
The utility model is directed to the prior art its effect and is:
1, for fine and close oil-gas reservoir, communication stratum that can be more efficient increases draining to improve crude oil or gas production
Or the circulation passage of gas, to improve oil gas well production；
2, applied widely, it can be applied to the exploitation such as old well, marginal oil field, high low permeability oil field；
3, structure is simply convenient for constructing, and the activity duration is fast, can the more efficient formation of low cost within certain time
More channels, to discharge the yield of oil-gas reservoir.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model drilling apparatus；
Fig. 2 is the status diagram at drilling apparatus lower going-into-well bottom；
Fig. 3 is the status diagram of drilling apparatus work；
Fig. 4 is the structural schematic diagram of the utility model volume increase tubing string；
Fig. 5 is directly transferred to production operation schematic diagram；
Fig. 6 is the status diagram salvaged Motorized drive unit and push pipe；
Fig. 7 is the status diagram for salvaging volume increase tubing string；
Fig. 8 is the flow chart of the application method of the utility model volume increase tubing string.
Wherein, appended drawing reference are as follows:
Increase production tubing string 1
Drilling apparatus 11
Ontology 111
Creep into through-hole 1111
Check valve installing port 1112
Directed cavity S
Motorized drive unit 112
Push pipe 113
Drilling combination 114
Check valve 115
Casing 12
Conveying device 13
Hanging packer 14
Pipeline anchoring device 16
Pressure charging valve 17
Specific embodiment
The hereby detailed content in relation to the utility model and technology explanation, are now described further with a preferred embodiment,
But it is not necessarily to be construed as the limitation of the implementation of the utility model.
Fig. 1-3 is please referred to, Fig. 1 is the structural schematic diagram of the utility model drilling apparatus；Fig. 2 is drilling apparatus lower going-into-well bottom
Status diagram；Fig. 3 is the status diagram of drilling apparatus work.As shown in Figure 1-3, the drilling apparatus 11 of the utility model
Including ontology 111, Motorized drive unit 112, push pipe 113 and drilling combination 114；The casing of the connection volume increase tubing string 1 of ontology 111
12, drilling through-hole 1111 is provided on ontology 111；Motorized drive unit 112 is set in casing 12；Pipe 113 is pushed to be set to
In ontology 111, one end of pipe 113 is pushed to be connected to Motorized drive unit 112；Drilling combination 114 is set to drilling through-hole 1111
In, push the other end of pipe 113 to be connected to drilling combination 114；When 11 tripping in stratum of drilling apparatus in place after, infused into casing 12
Enter fluid, Motorized drive unit 112 pushes against under action of a fluid pushes pipe 113 mobile, pushes the pushing and pressing drilling combination of pipe 113
114 lean out progress stratum drilling after drilling through-hole 1111, when drilling combination 114, which is pushed out drilling through-hole 1111, is crept into,
Push pipe 113 also to seal drilling through-hole 1111.It wherein, in the present embodiment, is power turbine with Motorized drive unit 112
For preferable embodiment, but the utility model is not limited thereto.
It should be noted that in the present embodiment, Motorized drive unit 112 pushes pipe 113, drilling combination 114 and drilling logical
The quantity in hole 1111 is only one, but the utility model is not limited thereto, and in other embodiments, drilling apparatus 11 can also wrap
Include multiple Motorized drive units 112, multiple promotion pipes 113, multiple drillings combination 114 and multiple drilling through-holes 1111；It is multiple dynamic
Power drive unit 112 is set in casing 12；Multiple promotion pipes 113 are set to 111 in ontology, each one end for pushing pipe 113
It is connected to each Motorized drive unit 112 correspondingly；It is logical that multiple drilling combinations 114 are set to multiple drillings correspondingly
In hole 1111, each other end for pushing pipe 113 is connected to each drilling combination 114 correspondingly；When under drilling apparatus 11
After entering stratum in place, fluid is injected into casing 12, accordingly pushing and pressing push each Motorized drive unit 112 under fluid matasomatism
Pipe 113 is mobile, and each promotion pipe 113 accordingly pushes against after drilling combination 114 leans out drilling through-hole 1111 and carries out stratum drilling,
In with Motorized drive unit 112, push pipe 113, drilling combination 114 and creep into through-hole 1111 quantity be 3 or 4 for compared with
Good embodiment.
Further, ontology 111 has the directed cavity S of big orifice, and drilling through-hole 1111 is connected to directed cavity S, pushes pipe
112 are set in directed cavity S, and directed cavity S is to be oriented to promotion pipe 113 along the angle of drilling through-hole 1111.
Still further, drilling through-hole 111 have an angle, drilling combination 114 along drilling through-holes 111 angle direction into
Row stratum drilling, wherein the angular range of preferably setting drilling through-hole 111 is between 30 ° -60 °, but the utility model is not
As limit.
Further, check valve installing port 1112 is additionally provided on ontology 111, check valve installing port 1112, which is connected to, leads
To chamber S, drilling apparatus 11 further includes check valve 115, and check valve 115 is installed on check valve installing port 1112, is located at ontology 111
Outer fluid is back in directed cavity S and casing 12 by check valve 115.Filter screen wherein can be also installed on check valve 115
(not shown), filter screen is to be filtered the fluid for flowing into check valve 115.
Further, drilling combination 114 is combined for turbodrill, and the segment fluid flow in casing 12, which enters, pushes pipe 113,
The segment fluid flow provides drilling power for turbodrill combination, and turbodrill combination carries out stratum drilling under fluid matasomatism.
In another embodiment of the utility model, drilling combination 114 is combined for hydraulic erosion, and the fluid in casing 12 is logical
It crosses promotion pipe 113 and enters hydraulic erosion combination, hydraulic erosion combined jet fluid carries out stratum drilling.
Referring to FIG. 4, Fig. 4 is the structural schematic diagram of the utility model volume increase tubing string.As shown in figure 4, the utility model
Increasing production tubing string 1 includes: multiple drilling apparatus 11, multiple casings 12, conveying device 13 and hanging packer 14；Hanging packer 14
It is connected to conveying device 13, one of multiple casings 12 are connected to hanging packer 14, multiple casings 12 and multiple drillings
Device 11 is cross-linked.Wherein, conveying device 13 is drilling rod or tubing and casing, and drilling rod or tubing and casing are sent for that will increase production tubing string
Enter in place, and carries out the channel of fluid circulation；Hanging packer 14 sets the entire volume increase tubing string of suspension, can hydraulic seats extension,
After the completion of stimulation work can machinery set hanging packer 14；Multiple drilling apparatus are installed on one tubing string, establish circulation and pressure
After power, all drilling apparatus all carry out drilling operation simultaneously.
Further, volume increase tubing string 1 further includes multiple pipeline anchoring devices 16, is respectively arranged on multiple casings 12,
In, pipeline anchoring device 16 is pipeline anchoring device, is to prevent tubing string mobile, meeting on entire tubing string for fixing entire tubing string
According to requiring to install multiple pipeline anchoring devices, which can be hydraulic centralizing device, and by suppressing, hydraulic centralizing device is stretched
Out, it is anchored to the borehole wall, but the utility model is not limited thereto.
Still further, volume increase tubing string 1 goes back pressure charging valve 17, it is connected to the drilling apparatus 11 positioned at bottom, pressure charging valve 17 is
Tubing string circulation canal can increase tubing string pressure by increasing discharge capacity, for setting hanging packer 14 and pipeline anchoring device
16, and fluid is provided and is pushing the circulating pressure in pipe 113.
4-5 is please referred to, the course of work of the utility model volume increase tubing string 1 is illustrated below in conjunction with Fig. 4, in drillng operation
After the completion:
1, volume increase tubing string 1 is assembled according to detail design, and tripping in is in place；
2, circulation of fluid is injected into volume increase tubing string, establishes circulation, improve discharge capacity, through pressure charging valve 17 in volume increase tubing string
Pressure is established, sits and hangs all pipeline anchoring devices 16 on hanging packer 14 and tubing string；
3, all Motorized drive units 112 push against the respective movement of promotion pipe 113 under the action of circulation of fluid, push
Pipe 113, which accordingly pushes to creep into through-hole 1111 in drilling combination 114, to be stretched out, and also has fluid circulation due to pushing in pipe 113, because
This drilling combination 114 under circulation of fluid effect carries out stratum drilling, when the fully extended drilling through-hole of all promotion pipes 113
1111, radial drilling operation is completed, and the state after the completion of radial drilling operation is referring to figure 3.；
4, acid solution can be further injected into, acidification is carried out to entire main borehole and side tracked slim hole；
5, volume increase tubing string is pushed or rotated, hanging packer is set, is directly transferred to production operation.
Wherein, it should be noted that when being transferred to production operation, pipe 113 and Motorized drive unit can be pushed not salvaging
It is produced in the case where 112, fluid goes out well by check valve 115；In another embodiment of the utility model, Fig. 6 is to beat
It pulls Motorized drive unit out and the status diagram of pipe is pushed when being transferred to production operation, can will to push in the present embodiment
Pipe 113 and Motorized drive unit 112 are produced after salvaging well；In the another embodiment of the utility model, such as Fig. 7 institute
Show, Fig. 7 be salvage volume increase tubing string status diagram can also unseal hanging packer when being transferred to production operation, will be whole
A volume increase tubing string 1 takes out, and main borehole J and side tracked slim hole j is only retained in Fig. 6, and tripping in other set sand control or control water etc. are special
The tubing string of purposes is produced.
Fig. 8 is please referred to, Fig. 8 is the flow chart of the application method of the utility model volume increase tubing string.As shown in figure 8, this is practical
The application method of novel volume increase tubing string the following steps are included:
Step S1: volume increase tubing string is assembled according to detail design；
Step S2: tripping in increases production tubing string in place；
Step S3: injecting fluid into volume increase tubing string, and pressure is established in volume increase tubing string, fixed to increase production tubing string, wherein
In this step, pressure is established in volume increase tubing string by pressure charging valve, and sit the pipeline anchoring dress hung on hanging packer and tubing string
It sets；
Step S4: drilling apparatus is crept under fluid matasomatism, wherein in this step, Motorized drive unit is flowing
The promotion pipe accordingly pushed against under the action of body is mobile, pushes pipe that drilling combination is accordingly pushed to stretch out from drilling through-hole, together
When drilling combination in the case where pushing the fluid matasomatism in pipe, carry out stratum drilling, manage fully extended drilling through-hole when pushing, drilling is made
Industry is completed；
Step S7: it is transferred to production operation.
Wherein, further comprising the steps of before being transferred to production operation:
Step S5: injection acid solution carries out acidification to entire main borehole and side tracked slim hole；
Step S6: pushing or rotation volume increase tubing string, sets hanging packer.
In another embodiment of this application method, before being transferred to production operation, further includes: salvage volume increase tubing string；Or
In the another embodiment of this application method, before being transferred to production operation, further includes: salvage Motorized drive unit and promotion
Pipe.
In conclusion the drilling apparatus and volume increase tubing string of the utility model can be used in fine and close oil-gas reservoir, it can be more efficient
Stratum is linked up to improve crude oil or gas production, increases the circulation passage of draining or gas, to improve oil gas well production；It is suitable
It is wide with range, it can be applied to the exploitation such as old well, marginal oil field, high low permeability oil field；Structure is simply convenient for constructing, and when operation
Between it is fast, can within certain time the more efficient more channels of formation of low cost, to discharge the yield of oil-gas reservoir.
It above are only the utility model preferred embodiment, not be used to limit the range of the utility model implementation,
In the case where the spirit of the present invention and its essence, those skilled in the art, which work as, to be made according to the utility model
Various corresponding changes and modifications out, but these corresponding changes and modifications all should belong to the utility model the attached claims
Protection scope.
Claims (12)
1. a kind of drilling apparatus, it is suitable for volume increase tubing string, which is characterized in that the drilling apparatus includes:
Ontology is connected to the casing of the volume increase tubing string, at least one drilling through-hole is provided on the ontology；
An at least Motorized drive unit, is set in described sleeve pipe；
At least one pushes pipe, is set in the ontology, and each described one end for pushing pipe is connected correspondingly to each described dynamic
Power drive unit；
At least one drilling combination, is arranged in correspondence in at least one drilling through-hole, each other end pair for pushing pipe
It is connected to each drilling combination with answering；
When drilling apparatus tripping in stratum in place after, to described sleeve pipe inject fluid, the Motorized drive unit fluid make
It is mobile that the promotion pipe is accordingly pushed against under, the promotion pipe accordingly pushes against the drilling combination and leans out the drilling through-hole
Stratum drilling is carried out afterwards.
2. drilling apparatus as described in claim 1, which is characterized in that the ontology has the directed cavity of big orifice, the brill
It is connected to the directed cavity into through-hole, the promotion pipe is set in the directed cavity.
3. drilling apparatus as described in claim 1, which is characterized in that the drilling through-hole has an angle, the drilling group
The angle direction closed along the drilling through-hole carries out stratum drilling.
4. drilling apparatus as described in claim 1, which is characterized in that be additionally provided with check valve installing port, institute on the ontology
Stating drilling apparatus further includes check valve, and the check valve is installed on the check valve installing port, the stream external positioned at described
Body is back in the ontology and described sleeve pipe by the check valve.
5. drilling apparatus as claimed in claim 4, which is characterized in that filter screen is also installed on the check valve, to right
The fluid for flowing into check valve is filtered.
6. drilling apparatus as described in claim 1, which is characterized in that the Motorized drive unit is power turbine.
7. drilling apparatus as described in claim 1, which is characterized in that drilling group is combined into turbodrill and combines, in described sleeve pipe
Fluid the turbodrill be delivered to by the promotion pipe combine, the turbodrill combination under the fluid matasomatism into
Row stratum drilling.
8. drilling apparatus as described in claim 1, which is characterized in that drilling group is combined into hydraulic punch erosion and combines, in described sleeve pipe
Fluid the hydraulic erosion be delivered to by the promotion pipe combine, fluid described in the hydraulic erosion combined jet carries out ground
Layer drilling.
9. a kind of volume increase tubing string, which is characterized in that including conveying device, hanging packer, multiple casings, multiple pipeline anchorings dress
Set and any one of multiple the claims 1-8 described in drilling apparatus, the hanging packer is connected to the conveying dress
It sets, one of multiple described sleeve pipes are connected to the hanging packer, multiple described sleeve pipes and multiple drilling apparatus
It is cross-linked.
10. volume increase tubing string as claimed in claim 9, which is characterized in that further include multiple pipeline anchoring devices, be respectively arranged at
In multiple described sleeve pipes.
11. volume increase tubing string as claimed in claim 9, which is characterized in that further include pressure charging valve, be connected to positioned at described in bottom
Drilling apparatus.
12. volume increase tubing string as claimed in claim 9, which is characterized in that the conveying device is drilling rod or tubing and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833805.8U CN208280912U (en) | 2018-05-31 | 2018-05-31 | Drilling apparatus and volume increase tubing string with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833805.8U CN208280912U (en) | 2018-05-31 | 2018-05-31 | Drilling apparatus and volume increase tubing string with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280912U true CN208280912U (en) | 2018-12-25 |
Family
ID=64706471
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820833805.8U Active CN208280912U (en) | 2018-05-31 | 2018-05-31 | Drilling apparatus and volume increase tubing string with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552628A (en) * | 2018-05-31 | 2019-12-10 | 思达斯易能源技术(集团)有限公司 | Drilling device, stimulation string with drilling device and using method |
-
2018
- 2018-05-31 CN CN201820833805.8U patent/CN208280912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552628A (en) * | 2018-05-31 | 2019-12-10 | 思达斯易能源技术(集团)有限公司 | Drilling device, stimulation string with drilling device and using method |
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