CN201292768Y - Sidetrack horizontal well reamer - Google Patents
Sidetrack horizontal well reamer Download PDFInfo
- Publication number
- CN201292768Y CN201292768Y CN 200820218769 CN200820218769U CN201292768Y CN 201292768 Y CN201292768 Y CN 201292768Y CN 200820218769 CN200820218769 CN 200820218769 CN 200820218769 U CN200820218769 U CN 200820218769U CN 201292768 Y CN201292768 Y CN 201292768Y
- Authority
- CN
- China
- Prior art keywords
- cutting teeth
- horizontal well
- well
- eccentric block
- alloy column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 230000036346 tooth eruption Effects 0.000 claims abstract description 15
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000003129 oil well Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a side drilling horizontal well hole expander which comprises an upper joint, cutting teeth, an alloy post, a water passage, a body, an eccentric block and a lower joint, wherein the upper end and the lower end of the body are respectively provided with the upper joint and the lower joint, the upper outer side of the body is provided with the alloy post and the water passage, the cutting teeth are arranged on the alloy post, and one side of the middle of the body is provided with the eccentric block. The side drilling horizontal well hole expander has reasonable design, novel structure and reliable operation, can satisfy the expanding requirements of holes of different types of side drilling horizontal wells and enlarge an annular clearance, is beneficial to increase the cementing quality of sealing well sections and prolong the normal service life of an oil well, is beneficial to carry out the downhole operation of subsequent oil extraction; in addition, owing to the hole expansion, the oil leaking area can be enlarged, and the output of the oil well can be increased.
Description
Technical field:
The utility model relates to a kind of downhole tool that is used for oil sidetrack horizontal well work progress.
Background technology:
Along with the development of oil drilling, development technology in oilfield technology, sidetrack horizontal well is used scale and is increased day by day.Because sidetrack horizontal well has sidetracked hole concurrently and horizontal well is total, thereby become one of effective means that reduces oil field development cost, excavation original oil zone potentiality, raising recovery ratio.Yet, because annular clearance is less between sidetrack horizontal well well and the sleeve pipe, in the drilling and well completion process, take place often under the sleeve pipe not on earth, accident such as cutting ferrule pipe, and difficult problems such as cementing quality is poor, the life-span is short fail effectively to be solved so far always, become the serious hindrance of this technical development of restriction.
The utility model content:
Thereby the utility model purpose is to provide a kind of can strengthen annular clearance between sidetrack horizontal well well and the sleeve pipe, make original narrow gap well cementation change the sidetrack horizontal well hole enlarger that conventional broad gap well cementation improves sealing well section cementing quality, prolongs the oil well ordinary production life-span into.
The utility model purpose is to realize like this.This kind hole enlarger is made up of top connection, cutting teeth, alloy column, water channel, body, eccentric block and lower contact, its structure assembled relation is as follows: the body upper and lower end is respectively equipped with top connection and lower contact, upper outside is provided with alloy column and water channel, alloy column is provided with cutting teeth, and middle part one side is provided with eccentric block.During use, the last lower contact of this hole enlarger is connected with the reaming hole drafting tool with drilling rod with screw thread respectively, with drill string behind predetermined well depth, elder generation's float amount turn on pump, start rotating disk and make hole enlarger be fixed on setting point, treat that this tool operation steadily after, progressively strengthen discharge capacity to normal, can pressurize this moment, and cutting teeth can carry out the reaming construction by broken rock under the effect of eccentricity.During this tool operation, owing to be subjected to the supporting role of eccentric block, produce eccentric force during rotation, make that the cutting teeth in same axle center can not reach the maximum outside diameter of cutting teeth when rotated, thereby reach the purpose that enlarges annular space gap between sidetrack horizontal well well and the sleeve pipe, improves cementing quality.
The utility model is reasonable in design, novel structure, reliable operation utilizes it can satisfy the requirement that dissimilar sidetrack horizontal well wells enlarge, and increases annular clearance, help improving sealing well section cementing quality, prolong oil well normal application life, and help the carrying out of follow-up oil recovery, underground work, simultaneously, can also increase drainage area after the reaming, improve oil well output.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is its A-A generalized section.
The specific embodiment:
Below in conjunction with accompanying drawing enforcement of the present utility model is illustrated.
As shown in the figure, the utility model is made up of top connection 1, cutting teeth 2, alloy column 3, water channel 4, body 5, lower contact 6 and eccentric block 7.Wherein, body 5 is the off-centre operation body that a upper and lower side has top connection 1 and lower contact 6, and inside and outside button is with in top connection 1, lower contact 6 respectively, and its top cutting teeth 2, alloy column 3 inboards have oblique water channel 4, and middle part one side is protruded, and constitutes eccentric block 7.Alloy column 3 adopts carbide alloy to make, divide 4 rows evenly to inlay branch in the body outside, cutting teeth 2 adopts diamond compact to make, evenly distribute and be embedded on the whole profile of alloy column 3, so that load distribution is even, cutting teeth apparent height polishing simultaneously to reduce shear stress, improves the chip removal ability.
Claims (3)
1, a kind of sidetrack horizontal well hole enlarger, form by top connection (1), cutting teeth (2), alloy column (3), water channel (4), body (5), eccentric block (7) and lower contact (6), it is characterized in that: body (5) upper and lower end is respectively equipped with top connection (1) and lower contact (6), upper outside are provided with alloy column (1) and water channel (4), alloy column is provided with cutting teeth (2), and middle part one side is provided with eccentric block (7).
2, sidetrack horizontal well hole enlarger according to claim 1, it is characterized in that body (5) is the off-centre operation body that a upper and lower side has top connection (1) and lower contact (6), inside and outside button is with in top connection (1), lower contact (6) respectively, its top cutting teeth (2), alloy column (3) inboard have oblique water channel (4), and middle part one side is protruded and constituted eccentric block (7).
3, sidetrack horizontal well hole enlarger according to claim 1, it is characterized in that: alloy column (3) adopts carbide alloy to make, divide 4 rows evenly to be embedded in body (5) outside, cutting teeth (2) adopts diamond compact to make, and evenly distributing is embedded on the whole profile of alloy column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820218769 CN201292768Y (en) | 2008-10-30 | 2008-10-30 | Sidetrack horizontal well reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820218769 CN201292768Y (en) | 2008-10-30 | 2008-10-30 | Sidetrack horizontal well reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292768Y true CN201292768Y (en) | 2009-08-19 |
Family
ID=41006243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820218769 Expired - Fee Related CN201292768Y (en) | 2008-10-30 | 2008-10-30 | Sidetrack horizontal well reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292768Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627737A (en) * | 2020-11-30 | 2021-04-09 | 安东通奥科技产业股份有限公司 | Reaming tool |
-
2008
- 2008-10-30 CN CN 200820218769 patent/CN201292768Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627737A (en) * | 2020-11-30 | 2021-04-09 | 安东通奥科技产业股份有限公司 | Reaming tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107842317B (en) | Hard-rock boring punching composite drill bit | |
| CN105156035B (en) | A kind of oscillating tooth PDC drill bit | |
| CN104895498A (en) | Drilling and completion integration device and method using coiled tubing carrying sieve tubes for sidetracking | |
| CN2761830Y (en) | Outside pipe liquid expansion packer | |
| CN202659149U (en) | Disc-type composite drill bit with impact cutting structure | |
| CN105422006A (en) | Adjustable underground rock breaking tool combining drilling and expanding | |
| CN104481411A (en) | Multi-purpose cooperative rotary cut radial self-rotation slit type inner concave multi-blade coreless drill bit | |
| CN201292768Y (en) | Sidetrack horizontal well reamer | |
| CN204024483U (en) | A kind of PDC drill bit | |
| CN101382043A (en) | Combined drill for drilling with casing | |
| CN205532469U (en) | Easy boring prevents changeing fracturing bridging plug | |
| CN102373885B (en) | Power reamer while drilling for oil and gas well drilling | |
| CN202338203U (en) | Open-hole cave-making tool | |
| CN105888606A (en) | Fast drilling bridge plug made of composite material | |
| CN2906031Y (en) | Plunger type micro-reaming while drilling tool | |
| CN213510415U (en) | Drilling and sweeping integrated device for underground drilling | |
| CN204082011U (en) | The concentric reaming while drilling drill bit of single cone PDC | |
| CN102587840A (en) | Hard formation casing windowing drill bit | |
| CN209212160U (en) | It is novel to bore PDC cutter composite drill bit again | |
| CN220302093U (en) | Windowing milling cone with windowing and trial drilling integrated function | |
| CN115199228A (en) | Tool for window sidetracking without tripping and casing window sidetracking construction method | |
| CN201087706Y (en) | Casing shoe for casing tube well drilling | |
| CN112523711A (en) | Bellows expansion tool | |
| CN203452701U (en) | Lower sleeve power tractor integrating drilling, expansion and fixing functions | |
| CN106246108B (en) | A kind of hard rock coring bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20131030 |