CN103032060A - Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process - Google Patents
Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process Download PDFInfo
- Publication number
- CN103032060A CN103032060A CN2012105176449A CN201210517644A CN103032060A CN 103032060 A CN103032060 A CN 103032060A CN 2012105176449 A CN2012105176449 A CN 2012105176449A CN 201210517644 A CN201210517644 A CN 201210517644A CN 103032060 A CN103032060 A CN 103032060A
- Authority
- CN
- China
- Prior art keywords
- coiled tubing
- fracturing
- packer
- sand
- construction
- 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.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 15
- 238000005488 sandblasting Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 238000011001 backwashing Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil extraction engineering of oil fields, and belongs to a horizontal well continuous oil pipe hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process for oil fields. The invention effectively solves the problems that the wellhead can not prevent blowout and the construction displacement of the oil pipe is limited in the pipe string tripping process in the prior art. The method comprises the steps of firstly conveying the whole tool string by using a coiled tubing 1, then pressurizing, perforating by using a spray gun 5, after the perforation is finished, continuously injecting fracturing fluid into the coiled tubing 1, simultaneously injecting sand-carrying fluid from a casing 2 to finish the construction of the layer section, after the construction is finished, carrying out backwashing by using a sieve tube 9 and a check valve 8, and then lifting the coiled tubing 1 to carry out the construction of the next target layer. The invention has the advantages of capability of completing perforation and fracturing operation in one trip, large fracturing construction displacement, no limitation on sand adding scale and fracturing segment number, safety, environmental protection, high efficiency and the like.
Description
Technical field: the present invention relates to the oil extraction in oil field field of engineering technology, belong to a kind of many showers of horizontal well coiled tubing hydraulic sand blasting orifice ring sky for the oil field and add sand multistage fracturing technology.
Background technology: the large discharge capacity of horizontal well, extensive, multistage volume fracturing can reduce the lower limit that reservoir is effectively employed, and the volume increase transformation of low-permeability oil deposit is had great importance.At present the staged fracturing of horizontal well technology exist operational discharge capacity little, add sand small scale, the pressure break hop count is limited, operating efficiency is low problem, effectively carrying out horizontal well volume fracturing.In order to satisfy horizontal well volume fracturing construction needs, improve scale, intensity and the efficient of fracturing reform, invented many showers of horizontal well coiled tubing hydraulic sand blasting orifice ring sky and added sand multistage fracturing technology, for the volume increase transformation of low-permeability oil deposit provides new technical method.
Summary of the invention: purpose of the present invention is invented a kind of one-trip string exactly just can finish perforation and fracturing work, efficiency of construction is high, cost is low, and can significantly improve the discharge capacity of pressure break and add the sand scale, many showers of the horizontal well coiled tubing hydraulic sand blasting orifice ring sky that satisfies horizontal well volume fracturing construction needs adds sand multistage fracturing technology.
The present invention is by realizing with lower device: coiled tubing, sleeve pipe, safety joint, centralizer, spray gun, packer, hydraulic anchor, ball-and-seat, screen casing and guide shoe.
The present invention realizes by following steps:
A, at first will be connected with from top to bottom the operating tool string that coiled tubing, safety joint, centralizer, spray gun, packer, hydraulic anchor, ball-and-seat, screen casing, guide shoe form in turn and be lowered into the target zone that to construct in the sleeve pipe;
B, then with 1m
3/ min～2m
3The discharge capacity of/min is injected fracturing fluid in coiled tubing, ball-and-seat is closed, and fracturing fluid produces high-velocity fluid by spray gun target zone is carried out abrasive perforating, and concurrent fracturing liquid can make packer setting through the chock pressure difference that spray gun produces;
C, target zone is carried out reducing the injection discharge capacity of coiled tubing, and continuing to inject fracturing fluid to coiled tubing after abrasive perforating finishes, keep packer setting, the annular space to sleeve pipe injects load fluid simultaneously, until this target zone annular space sand fracturing construction finishes;
D, inject fracturing fluid again from sleeve pipe, ball-and-seat is opened, and returns out from coiled tubing, carries out anti-circulation well cleanup, after anti-circulation well cleanup finishes, on carry operating tool string to new target zone and carry out perforation;
E, repeating step c～d until finish perforation and the pressing crack construction of all target zones, propose operating tool string in production casing.
Packer is the pony packer of hydraulic setting.
Compared with the prior art the present invention has following advantage:
The present invention utilizes spray gun to carry out many bunches of abrasive perforatings, effective packing is carried out in the layer position of adopting packer that wish is processed, inject load fluid by casing annulus and carry out pressing crack construction, can realize that one-trip string finishes perforation and fracturing work, and the pressing crack construction discharge capacity is large, add the sand scale and hop count unrestricted, satisfying the needs of multistage, many bunches, extensive, volume fracturing construction, is a kind of fractured horizontal well technology of safe, efficient, environmental protection.
Description of drawings: Fig. 1 is the field schematic diagram of the present invention.
The specific embodiment: below in conjunction with accompanying drawing the present invention is done further auspicious stating: the present invention is by realizing with lower device: coiled tubing 1, sleeve pipe 2, safety joint 3, centralizer 4, spray gun 5, packer 6, hydraulic anchor 7, ball-and-seat 8, screen casing 9 and guide shoe 10; The present invention realizes by following steps:
A, at first will be connected with from top to bottom the operating tool string that coiled tubing 1, safety joint 3, centralizer 4, spray gun 5, packer 6, hydraulic anchor 7, ball-and-seat 8, screen casing 9, guide shoe 10 form in turn and be lowered into the sleeve pipe 2 interior target zones that will construct;
B, then with 2m
3The discharge capacity of/min is to coiled tubing 1 interior injection fracturing fluid, and ball-and-seat 8 is closed, and fracturing fluid produces high-velocity fluid by spray gun 5 target zone is carried out abrasive perforating, and concurrent fracturing liquid can make packer 6 set through the chock pressure difference that spray gun 5 produces;
C, target zone is carried out after abrasive perforating finishes, reduce the injection discharge capacity of coiled tubing 1, and continue to inject fracturing fluid to coiled tubing 1, keep packer 6 to set, annular space to sleeve pipe 2 injects load fluid simultaneously, until this target zone annular space sand fracturing construction finishes;
D, inject fracturing fluid again from sleeve pipe 2, ball-and-seat 8 is opened, and returns out from coiled tubing 1, carries out anti-circulation well cleanup, after anti-circulation well cleanup finishes, on carry operating tool string to new target zone and carry out perforation;
E, repeating step c～d, until finish perforation and the pressing crack construction of four target zones, with operating tool string from production casing 2 interior propositions.
Claims (2)
1. many showers of horizontal well coiled tubing hydraulic sand blasting orifice ring sky adds sand multistage fracturing technology, and above-mentioned technique is by realizing with lower device: coiled tubing (1), sleeve pipe (2), safety joint (3), centralizer (4), spray gun (5), packer (6), hydraulic anchor (7), ball-and-seat (8), screen casing (9) and guide shoe (10); It is characterized in that: above-mentioned technique realizes by following steps:
A, the operating tool string that at first will be connected with from top to bottom coiled tubing (1), safety joint (3), centralizer (4), spray gun (5), packer (6), hydraulic anchor (7), ball-and-seat (8), screen casing (9), guide shoe (10) in turn are lowered into the target zone that will construct in the sleeve pipe (2);
B, then with 1m
3/ min～2m
3The discharge capacity of/min is injected fracturing fluid in coiled tubing (1), ball-and-seat (8) is closed, fracturing fluid produces high-velocity fluid by spray gun (5) target zone is carried out abrasive perforating, and concurrent fracturing liquid can make packer (6) set through the chock pressure difference that spray gun (5) produces;
C, target zone is carried out after abrasive perforating finishes, reduce the injection discharge capacity of coiled tubing (1), and continue to inject fracturing fluid to coiled tubing (1), keep packer (6) to set, annular space to sleeve pipe (2) injects load fluid simultaneously, until this target zone annular space sand fracturing construction finishes;
D, inject fracturing fluid again from sleeve pipe (2), ball-and-seat (8) is opened, and returns out from coiled tubing (1), carries out anti-circulation well cleanup, after anti-circulation well cleanup finishes, on carry operating tool string to new target zone and carry out perforation;
E, repeating step c～d until finish perforation and the pressing crack construction of all target zones, propose operating tool string in production casing (2).
2. many showers of horizontal well coiled tubing hydraulic sand blasting orifice ring sky according to claim 1 adds sand multistage fracturing technology, and it is characterized in that: packer (6) is the pony packer of hydraulic setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105176449A CN103032060A (en) | 2012-11-08 | 2012-11-08 | Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105176449A CN103032060A (en) | 2012-11-08 | 2012-11-08 | Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103032060A true CN103032060A (en) | 2013-04-10 |
Family
ID=48019403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105176449A Pending CN103032060A (en) | 2012-11-08 | 2012-11-08 | Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103032060A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573241A (en) * | 2013-08-06 | 2014-02-12 | 中国石油天然气股份有限公司 | Horizontal well casing cementing pressure balance sliding sleeve annulus sand-adding multi-section fracturing process |
| CN103696750A (en) * | 2013-12-18 | 2014-04-02 | 东北石油大学 | Method for determining critical discharge capacity of annular sand fracturing pipe with packer |
| CN104213890A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Coiled tubing fracturing string and fracturing process |
| CN104373100A (en) * | 2013-08-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Continuous oil pipe dragging hydraulic perforation-annular sand adding layered fracturing process method |
| CN104564001A (en) * | 2014-12-03 | 2015-04-29 | 中国石油化工股份有限公司 | Horizontal well multi-cluster fracturing method and multi-cluster perforating and fracturing pipe column for implementing method |
| CN104632172A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | Method for controlling annulus pressure of gas field horizontal well immovable pipe column hydraulic sand blasting fracturing |
| CN104863550A (en) * | 2014-02-26 | 2015-08-26 | 中国海洋石油总公司 | Hydraulic sand blasting perforation and APR (annular pressure responsive) testing combined process |
| CN105986799A (en) * | 2015-02-28 | 2016-10-05 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN108086964A (en) * | 2017-12-04 | 2018-05-29 | 中煤科工集团西安研究院有限公司 | Coal bed gas horizontal well orients hydrajet tool string and construction method |
| CN108301818A (en) * | 2018-01-31 | 2018-07-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of no tool packing efficient staged fracturing method of horizontal well |
| CN111608633A (en) * | 2020-06-30 | 2020-09-01 | 中国石油天然气股份有限公司 | Large-scale fracturing process suitable for horizontal well |
| CN111622719A (en) * | 2019-02-28 | 2020-09-04 | 中国石油天然气股份有限公司 | Sand blasting perforation fracturing method for perforated production well |
| CN111852428A (en) * | 2020-08-03 | 2020-10-30 | 中国石油天然气股份有限公司 | Method for fracturing outer packing and coiled tubing in combined operation |
| CN113530517A (en) * | 2021-09-17 | 2021-10-22 | 中煤科工集团西安研究院有限公司 | Combined segmented fracturing device, asynchronous two-way extraction system and method |
| CN115324550A (en) * | 2022-08-09 | 2022-11-11 | 中国石油天然气集团有限公司 | Hydraulic coiled tubing dragging fracturing tool and technological method |
| CN115614007A (en) * | 2022-12-19 | 2023-01-17 | 龙口市通达油管有限公司 | Coiled tubing sandblast perforating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059070A (en) * | 2006-04-21 | 2007-10-24 | 中国石油天然气股份有限公司 | Perforation and fracturing integrated method and process pipe column thereof |
| CN101105121A (en) * | 2007-07-27 | 2008-01-16 | 大庆油田有限责任公司 | Horizontal well machinery staged fracturing tool string |
| CN101270639A (en) * | 2008-04-30 | 2008-09-24 | 中国石油天然气股份有限公司 | Packer packing multilayer hydraulic sand blasting perforation and fracturing integrated process method |
| CA2786023A1 (en) * | 2009-12-31 | 2011-07-07 | Schlumberger Canada Limited | Hydraulic fracturing system |
| CN102691493A (en) * | 2012-06-05 | 2012-09-26 | 中国石油化工股份有限公司 | Continuous oil pipe sectional sand-blasting perforation casing fracturing pipe column and casing fracturing method |
| US20120267096A1 (en) * | 2007-11-30 | 2012-10-25 | Elena Mikhailovna Pershikova | Method of testing the operation of a producing pil well operated using the formation hydrofracturing process |
-
2012
- 2012-11-08 CN CN2012105176449A patent/CN103032060A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059070A (en) * | 2006-04-21 | 2007-10-24 | 中国石油天然气股份有限公司 | Perforation and fracturing integrated method and process pipe column thereof |
| CN101105121A (en) * | 2007-07-27 | 2008-01-16 | 大庆油田有限责任公司 | Horizontal well machinery staged fracturing tool string |
| US20120267096A1 (en) * | 2007-11-30 | 2012-10-25 | Elena Mikhailovna Pershikova | Method of testing the operation of a producing pil well operated using the formation hydrofracturing process |
| CN101270639A (en) * | 2008-04-30 | 2008-09-24 | 中国石油天然气股份有限公司 | Packer packing multilayer hydraulic sand blasting perforation and fracturing integrated process method |
| CA2786023A1 (en) * | 2009-12-31 | 2011-07-07 | Schlumberger Canada Limited | Hydraulic fracturing system |
| CN102691493A (en) * | 2012-06-05 | 2012-09-26 | 中国石油化工股份有限公司 | Continuous oil pipe sectional sand-blasting perforation casing fracturing pipe column and casing fracturing method |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213890A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Coiled tubing fracturing string and fracturing process |
| CN104213890B (en) * | 2013-06-03 | 2016-12-28 | 中国石油天然气股份有限公司 | Coiled tubing fracturing process |
| CN103573241A (en) * | 2013-08-06 | 2014-02-12 | 中国石油天然气股份有限公司 | Horizontal well casing cementing pressure balance sliding sleeve annulus sand-adding multi-section fracturing process |
| CN104373100A (en) * | 2013-08-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Continuous oil pipe dragging hydraulic perforation-annular sand adding layered fracturing process method |
| CN104632172A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | Method for controlling annulus pressure of gas field horizontal well immovable pipe column hydraulic sand blasting fracturing |
| CN103696750A (en) * | 2013-12-18 | 2014-04-02 | 东北石油大学 | Method for determining critical discharge capacity of annular sand fracturing pipe with packer |
| CN103696750B (en) * | 2013-12-18 | 2016-08-17 | 东北石油大学 | Method is determined with critical gelation point in the annular space sand fracturing pipe of packer |
| CN104863550A (en) * | 2014-02-26 | 2015-08-26 | 中国海洋石油总公司 | Hydraulic sand blasting perforation and APR (annular pressure responsive) testing combined process |
| CN104863550B (en) * | 2014-02-26 | 2019-09-13 | 中海石油(中国)有限公司上海分公司 | Hydraulic jet perforation and APR testing combination operation technique |
| CN104564001A (en) * | 2014-12-03 | 2015-04-29 | 中国石油化工股份有限公司 | Horizontal well multi-cluster fracturing method and multi-cluster perforating and fracturing pipe column for implementing method |
| CN105986799B (en) * | 2015-02-28 | 2019-02-15 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN105986799A (en) * | 2015-02-28 | 2016-10-05 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN108086964A (en) * | 2017-12-04 | 2018-05-29 | 中煤科工集团西安研究院有限公司 | Coal bed gas horizontal well orients hydrajet tool string and construction method |
| CN108301818A (en) * | 2018-01-31 | 2018-07-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of no tool packing efficient staged fracturing method of horizontal well |
| CN111622719A (en) * | 2019-02-28 | 2020-09-04 | 中国石油天然气股份有限公司 | Sand blasting perforation fracturing method for perforated production well |
| CN111622719B (en) * | 2019-02-28 | 2022-06-03 | 中国石油天然气股份有限公司 | Sand blasting perforation fracturing method for perforated production well |
| CN111608633A (en) * | 2020-06-30 | 2020-09-01 | 中国石油天然气股份有限公司 | Large-scale fracturing process suitable for horizontal well |
| CN111852428A (en) * | 2020-08-03 | 2020-10-30 | 中国石油天然气股份有限公司 | Method for fracturing outer packing and coiled tubing in combined operation |
| CN113530517A (en) * | 2021-09-17 | 2021-10-22 | 中煤科工集团西安研究院有限公司 | Combined segmented fracturing device, asynchronous two-way extraction system and method |
| CN113530517B (en) * | 2021-09-17 | 2021-12-14 | 中煤科工集团西安研究院有限公司 | Combined segmented fracturing device, asynchronous two-way extraction system and method |
| CN115324550A (en) * | 2022-08-09 | 2022-11-11 | 中国石油天然气集团有限公司 | Hydraulic coiled tubing dragging fracturing tool and technological method |
| CN115324550B (en) * | 2022-08-09 | 2024-06-18 | 中国石油天然气集团有限公司 | Hydraulic coiled tubing dragging fracturing tool and technological method |
| CN115614007A (en) * | 2022-12-19 | 2023-01-17 | 龙口市通达油管有限公司 | Coiled tubing sandblast perforating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103032060A (en) | Horizontal well coiled tubing hydraulic sand blasting multi-cluster perforation annular sand adding multi-section fracturing process | |
| CN103573241A (en) | Horizontal well casing cementing pressure balance sliding sleeve annulus sand-adding multi-section fracturing process | |
| CN106223922B (en) | Shale gas horizontal well proppant intra-seam shielding temporary plugging staged fracturing process | |
| CN101539007B (en) | Abrasive jetting device and method for abrasive jetting flow and jetting perforation and multiple fracturing | |
| CN100562645C (en) | High pressure water jet-flow deep penetrating perforating and auxiliary crushing method and device thereof | |
| CN109736805A (en) | A kind of method of the modified release watershed management bump of thick-layer tight roof | |
| CN102022104B (en) | Open-hole packer for open-hole horizontal well and preset connector fracturing well completion method | |
| CN103306660A (en) | Shale gas reservoir hydraulic fracturing production increasing method | |
| CN203394493U (en) | Soluble bridge plug fracturing technology pipe column | |
| CN105545307A (en) | Method for over-pit and under-pit cooperative control of roofs of far and near fields of extra-large stoping space | |
| CN106285601A (en) | Cave and fracturing integrated yield-increasing technique method are made in the injection of coal bed gas well abrasive perforating | |
| CN103867177A (en) | Horizontal well fracturing method | |
| CN104564003A (en) | Drilling plug-free pumping type hydraulic bridge plug staged fracturing method | |
| CN101560877A (en) | Horizontal well packer staged fracturing technology tube pillar | |
| CN104213895A (en) | Hydraulic sand-blasting perforation fracturing and sand-filling combined process method | |
| CN104213891A (en) | Coiled tubing controllable packer process pipe column for old well repeated reconstruction | |
| CN103912257B (en) | A kind of dragging multiple fracturing device with pressure | |
| CN103306645B (en) | Horizontal well the pressure of the drill splits completion tubular column and technique thereof | |
| CN203961938U (en) | Packer staged fracturing technology tube pillar in a kind of horizontal well tube | |
| CN114059980B (en) | Shale reservoir fracturing method | |
| CN204782918U (en) | Dissolubility bridging plug based on rubber sleeve | |
| CN104563997A (en) | Hydraulic jet and bridge plug combined process pipe column and working method thereof | |
| CN104234682B (en) | A kind ofly be applicable to separate stratum fracturing of continuous oil pipe method that is many, girdle | |
| CN105221119A (en) | A kind of instrument and method setting up Oil/gas Well underground sand-prevention tube particle flow channel | |
| CN205370460U (en) | Sandblast perforation allies oneself with with bridging plug makes tubular column that carries out staged fracturing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |