CN103643927A - Linear water distribution device for oil field water injection well - Google Patents
Linear water distribution device for oil field water injection well Download PDFInfo
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- CN103643927A CN103643927A CN201310653600.3A CN201310653600A CN103643927A CN 103643927 A CN103643927 A CN 103643927A CN 201310653600 A CN201310653600 A CN 201310653600A CN 103643927 A CN103643927 A CN 103643927A
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Abstract
The invention provides a linear water distribution device for an oil field water injection well. The linear water distribution device comprises a water distribution device body provided with a cylindrical countersink, a through hole is drilled between the outer wall of the water distribution device body and the countersink, a ceramic water nozzle is inlaid in a step, a liquid outlet hole is formed between the countersink and a center channel in the water distribution device body, a plunger valve rod is connected in the countersink in a clearance fit mode, and the lower portion of a plunger valve rod body is a semi-circular protrusive guiding sliding block; a connecting sleeve is arranged on the lower portion of the water distribution device body and provided with a lower connecting sleeve. The cost can be reduced by 70%, the deploying success rate every time is over 98%, a cable car or a crane is needed, the deploying operation can be accurately and reliably completed by using a well testing winch, and the linear water distribution device is easy to operate, reliable in control and adjustment, high in accuracy and low in cost.
Description
Technical field
The present invention relates to water injection well in oil fields water distribution field, be specifically related to the linear water dispensing apparatus of a kind of water injection well in oil fields.
Background technology
Current existing conventional waterflooding well layering modulation process is more complicated, constructional difficulties, pulling downhole water flow regulator repeatedly on blanking plug in eccentric orfice change water nozzle water distribution, labour intensity is large, success rate is low, control accuracy is poor.In recent years the blanking plug in downhole water flow regulator eccentric orfice was transformed into axis, utilizing cable to connect electric adjusting device inserts on the blanking plug fishing head on eccentric orfice, band moving valve plate carrys out regulating pondage size, this technique needs cable car, instrument cab, crane to be used in conjunction with, cost is high, penetration and promotion difficulty.And the adjusting device connecting with piano wire, (number of patent application: 200910013016.5) its power motor is battery-powered, for high temperature, high pressure, the serious down-hole adjustable blanking plug of corrosion, the success rate of regulating pondage is extremely low.
Summary of the invention
In order to solve the problem existing in background technology, the invention provides the linear water dispensing apparatus of a kind of water injection well in oil fields, apply this device water flood operations simple, regulation and control are reliable, and precision is high, cost is low.
Technical scheme of the present invention is: there is a cylindrical bore on this injection well downhole flow regulator main center passage side, it above counterbore, is blind hole, between this counterbore and injection well downhole flow regulator main body outer wall, be drilled with through hole, this through hole is stepped hole, in step, be inlaid with ceramic water nozzle, between this counterbore and injection well downhole flow regulator body interior central passage, have fluid hole, the position of fluid hole and the position of ceramic water nozzle are staggeredly arranged, this counterbore internal clearance is connected with plunger valve rod, and the bottom of plunger valve club shaft is the guide runner that semicircle protrudes;
Injection well downhole flow regulator lower body part thread seal connects adapter sleeve, adapter sleeve lower seal connects lower joint sleeve, there is a taper anchor ring transition lower end of lower joint sleeve inside, the top of this taper anchor ring, the unsettled spring core retainer plate that is equipped with, spring core retainer plate tailing screw flight linking springs tail cap, spring housing is above spring tail cap, on spring, on plane anchor ring, be evenly arranged some depression bars, the depression bar upper end gaily decorated basket that is threaded, there is stepped hole gaily decorated basket upper end, the steel loop that the pin arranging with stepped hole below by stepped hole is connected is fixed on gaily decorated basket upper end by sliding sleeve lower end, the bottom outer cylinder surface of sliding sleeve is connected with stator inner surface matched in clearance, sliding sleeve top periphery extends cylindrical step axle, the anchor ring projection of this Step Shaft lower end has driving tooth, on the passive tooth projection of driving tooth positioned opposite and epitrochanterian circular table, rotor inner surface is connected with sliding sleeve matched in clearance, the semicircle gathering sill that has indent on external surface, gathering sill is along the continuous round and smooth closed annular structure of rotor periphery, the place plane of this gathering sill loop configuration and rotor cylindrical center line are angle of inclination, distance between the highs and lows of this gathering sill loop configuration is greater than the diameter of ceramic water nozzle, gathering sill is connected with the guide runner matched in clearance of plunger stem lower portion, on the bottom stage axle of rotor, there is annular inner groovy, this groove cross section is semicircle, stator upper end step has annular inner groovy on hole, and this groove cross section is semicircle, at two semi-circular recesses, be built-in with steel ball.
Described stator inner hole is connected with sliding sleeve matched in clearance, on the top tube wall of stator, by through hole whorl, be fixed with feather key, feather key stretches to the recessed position at sliding sleeve middle part, the outer step periphery of the stator bottom centre connecting sleeve that is threaded, the centre connecting sleeve upper end injection well downhole flow regulator main body that is threaded.
Described feather key stretches into the recessed position at sliding sleeve middle part, and this position is comprised of upper groove and low groove, and the center of the arc groove at upper groove, low groove top layouts that be staggered, apart from the diameter that equals circular arc.
Location relation between upper groove and driving tooth, the integral multiple that the circular arc centre distance of upper groove two adjacent recesses equals driving tooth tooth pitch adds 1/4th tooth pitches.
Described feather key, some feather keys are evenly arranged along the top tube wall of stator.
The outer step periphery of the bottom of the described stator centre connecting sleeve that is threaded, has penetrating flowing hole on this step; Between sliding sleeve top and injection well downhole flow regulator body interior duct, there is space; Between gaily decorated basket external surface and centre connecting sleeve inwall, there is space.
The present invention has following beneficial effect: the present invention compares with existing water injection well layering allocating technology, can reduce costs 70%, is deployed into power more than 98% at every turn.Without cable car, crane.Use well testing winch just can complete accurately and reliably allotment operation.
accompanying drawing explanation:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is location diagrams of driving tooth 5 in accompanying drawing 1, passive tooth 6;
Accompanying drawing 3 is location diagrams of upper groove 12 in accompanying drawing 1, low groove 13.
1-injection well downhole flow regulator main body in figure, 2-fluid hole, 3-ceramic nozzle, 4-plunger valve rod, 5-driving tooth, 6-passive tooth, 7-gathering sill, 8-guide runner, 9-steel ball, 10-stator, 11-feather key, 12-upper groove, 13-low groove, 14-sliding sleeve, 15-centre connecting sleeve, the 16-gaily decorated basket, 17-depression bar, 18-adapter sleeve, 19-spring, 20-lower joint sleeve, 21-spring core retainer plate, 22-spring tail cap, 23-steel loop, 24-flowing hole, 25-rotor.
the specific embodiment:
Below in conjunction with accompanying drawing, the invention will be further described:
By Fig. 1 in conjunction with shown in Fig. 2, embodiments of the invention structure is: there is a cylindrical bore on injection well downhole flow regulator main body 1 central passage side, it above counterbore, is blind hole, between this counterbore and injection well downhole flow regulator main body outer wall, be drilled with through hole, this through hole is stepped hole, in step, be inlaid with ceramic water nozzle 3, between this counterbore and injection well downhole flow regulator main body 1 inside center passage, have fluid hole 2, the position of the position of fluid hole 2 and ceramic water nozzle 3 is staggeredly arranged, be staggeredly arranged is can not affect sealing or affect feed liquor amount when opening ceramic water nozzle simultaneously for plunger valve rod, this counterbore internal clearance is connected with plunger valve rod 4, the bottom of plunger valve rod 4 bodies of rod is the guide runner 8 that semicircle protrudes,
The injection well downhole flow regulator main body 1 lower thread adapter sleeve 18 that is tightly connected, adapter sleeve 18 lower seal connect lower joint sleeve 20, there is a taper anchor ring transition lower end of lower joint sleeve 20 inside, the top of this taper anchor ring, the unsettled spring core retainer plate 21 that is equipped with, in order to cross flowing liquid on the one hand, on the other hand, when making spring core retainer plate 21 descending, plays seal section the effect of bearing, spring core retainer plate 21 tailing screw flight linking springs tail caps 22, spring 19 is enclosed within spring tail cap 22 tops, on spring 19, on plane anchor ring, be evenly arranged some depression bars 17, the depression bar 17 upper ends gaily decorated basket 16 that is threaded, there is stepped hole the gaily decorated basket 16 upper ends, the steel loop 23 that the pin arranging with stepped hole below by stepped hole is connected is fixed on the gaily decorated basket 16 upper ends by sliding sleeve 14 lower ends, the bottom outer cylinder surface of sliding sleeve 14 and stator 10 internal surface gaps are connected, sliding sleeve 14 top peripheries extend cylindrical step axle, the anchor ring projection of this Step Shaft lower end has driving tooth 5, on circular table on passive tooth 6 projection of driving tooth 5 positioned opposite and rotor 25, rotor 25 inner surfaces are connected with sliding sleeve 14 matched in clearance, the semicircle gathering sill 7 that has indent on external surface, gathering sill 7 is along the continuous round and smooth closed annular structure of rotor 25 periphery, the place plane of these gathering sill 7 loop configuration and rotor 25 cylindrical center's lines are angle of inclination, distance between the highs and lows of these guiding grooved ring 7 shape structures is greater than the diameter of ceramic water nozzle 3, the runner of ceramic water nozzle 3 can be opened or seal to assurance plunger valve rod 4 completely in regulating pondage, gathering sill 7 is connected with guide runner 8 matched in clearance of plunger valve rod 4 bottoms, on the bottom stage axle of rotor 25, there is annular inner groovy, this groove cross section is semicircle, stator has annular inner groovy on 10 upper end step holes, and this groove cross section is semicircle, at two semi-circular recesses, be built-in with steel ball 9, steel ball 9 can rotate rotor.
Described stator 10 endoporus are connected with sliding sleeve 14 matched in clearance, on the top tube wall of stator 10, by through hole whorl, be fixed with feather key 11, feather key 11 stretches to the recessed position at sliding sleeve 14 middle parts, the outer step periphery of the stator 10 bottoms centre connecting sleeve 15 that is threaded, the centre connecting sleeve 15 upper ends injection well downhole flow regulator main body 1 that is threaded.
Described feather key 11 stretches into the recessed position at sliding sleeve 14 middle parts, this position is comprised of upper groove 12 and low groove 13, the center of the arc groove at upper groove 12, the low groove 13 tops layout that is staggered, distance equals the diameter of circular arc, in process sliding sleeve 14 being pressed down with seal section, sliding sleeve 14 is done action accurately under the guiding of feather key 11, the initial position of feather key 11 is in the circular arc of low groove 13, along with sliding sleeve 14 is extruded descending, it is recessed that feather key 11 enters the circular arc of upper groove 12 under the recessed effect in the inclined-plane of upper groove 12, and sliding sleeve 14 turns over an angle simultaneously.
Location relation between upper groove 12 and driving tooth 5, the circular arc centre distance of 12 liang of adjacent recesses of upper groove equals the initiatively integral multiple of 5 tooth tooth pitches and adds 1/4th tooth pitches, at sliding sleeve 14, be extruded when descending, driving tooth 5 and passive tooth 6 engagements, along with sliding sleeve 14 turns over an angle, rotor 25 also turns over an angle under the effect of passive tooth 6, along with pressure is removed, spring 19 resets, it is recessed that feather key 11 enters upper groove 12 circular arcs, sliding sleeve 14 turns over an angle, the whole angle that sliding sleeve 14 turns over is that the integral multiple of the tooth pitch of driving tooth 5 adds 1/4th tooth pitches, the driving tooth 5 of sliding sleeve 14 is after completing once rotation, the flank of tooth of driving tooth 5 and the flank of tooth of passive tooth 6 have 1/2nd overlap in space, precision and engagement force that next engagement is rotated have been guaranteed, passive tooth 6 is rotated an angle in the process of seal section extruding each time and release, finally complete a circumference, namely guide runner 8 turns over a circumference along gathering sill 7 gathering sill 7 is interior, plunger valve rod 4 is under the effect of guide runner 8, complete up.A descending process, namely ceramic water nozzle 3 completes a process of opening from being closed to.
Described feather key 11, some feather keys 11 are evenly arranged along the top tube wall of stator 10.
The outer step periphery of the bottom of described stator 10 centre connecting sleeve 15 that is threaded, has penetrating flowing hole 24 on this step; Between sliding sleeve 14 tops and the inner duct of injection well downhole flow regulator main body 1, there is space; Between the gaily decorated basket 16 external surfaces and centre connecting sleeve 15 inwalls, have space, when carrying out regulating pondage with seal section, these spaces of bypass have guaranteed the unobstructed of current.
The present invention realizes like this; In the eccentric channel of boring in the bottom of water injection well distributor main body, current flow to ceramic nozzle by central passage through fluid hole and enter stratum.The guide runner of plunger valve body lower portion is embedded on the inclined-plane gathering sill of rotor.When needs regulating pondage size, from oil pipe central passage, be lowered to general seal section instrument, under put in place after seal section claw be seated on the gaily decorated basket, because the feather key on stator is in the groove of sliding sleeve, sliding sleeve is limited can only be moved axially, due to sliding sleeve and gaily decorated basket interlock, moved down by the gravity of seal section, the driving tooth on sliding sleeve and the engagement of epitrochanterian passive tooth.Be subject to the tangent active force of gear, angle of rotor, the guide runner that the gathering sill in rotor circumference promotes on plunger valve rod makes to move on plunger valve rod.While carrying on seal section instrument, depart from the gaily decorated basket, the spring that is arranged on gaily decorated basket bottom discharges, and promotes sliding sleeve and resets, driving tooth, passive tooth separation through depression bar.On sliding sleeve excircle, be milled with upper groove, the angle precision of low groove to guarantee that driving tooth every action in body upper end is once restored;
In process sliding sleeve being pressed down with seal section, slide over and under the guiding of feather key, do action accurately, the initial position of feather key is in the circular arc of low groove, along with sliding sleeve is extruded descending, it is recessed that feather key enters the circular arc of upper groove under the recessed effect in the inclined-plane of upper groove, and sliding sleeve turns over an angle simultaneously.
At sliding sleeve, be extruded when descending, driving tooth and passive tooth engagement, along with sliding sleeve turns over an angle, rotor also turns over an angle under the effect of passive tooth, along with pressure is removed, spring reset, it is recessed that feather key enters upper groove circular arc, sliding sleeve turns over an angle, the integral multiple of the tooth pitch that the whole angle that sliding sleeve turns over is driving tooth adds 1/4th tooth pitches, the driving tooth of sliding sleeve is after completing once and rotating, and the flank of tooth of driving tooth has 1/2nd overlap in space with the flank of tooth of passive tooth, guaranteed precision and the engagement force of next engagement rotation.
Due to 180 ° of the every rotations of rotor, plunger valve rod crawls into summit by the gathering sill along in rotor circumference, on plunger valve rod, moves fluid hole is closed.Rotor is rotated further, and plunger valve rod is descending in gathering sill, and plunger valve rod is opened ceramic water nozzle.Because the angle of the reciprocating stroke of plunger valve rod and rotor rotation is linear, by existing seal section instrument Action of Gravity Field, just can make sliding sleeve move, rotor, plunger valve rod move, the sectional area of plunger valve linear regulation fluid hole size, thereby realize linear regulation water yield size.
Claims (6)
1. the linear water dispensing apparatus of water injection well in oil fields, comprise injection well downhole flow regulator main body (1), it is characterized in that: there is a cylindrical bore on injection well downhole flow regulator main body (1) central passage side, it above counterbore, is blind hole, between this counterbore and injection well downhole flow regulator main body outer wall, be drilled with through hole, this through hole is stepped hole, in step, be inlaid with ceramic water nozzle (3), between this counterbore and injection well downhole flow regulator main body (1) inside center passage, have fluid hole (2), the position of the position of fluid hole (2) and ceramic water nozzle (3) is staggeredly arranged, this counterbore internal clearance is connected with plunger valve rod (4), the bottom of plunger valve rod (4) body of rod is the guide runner (8) that semicircle protrudes,
Injection well downhole flow regulator main body (1) the lower thread adapter sleeve (18) that is tightly connected, adapter sleeve (18) lower seal connects lower joint sleeve (20), there is a taper anchor ring transition the inner lower end of lower joint sleeve (20), the top of this taper anchor ring, the unsettled spring core retainer plate (21) that is equipped with, spring core retainer plate (21) tailing screw flight linking springs tail cap (22), spring (19) is enclosed within spring tail cap (22) top, on the upper plane anchor ring of spring (19), be evenly arranged some depression bars (17), depression bar (17) the upper end gaily decorated basket (16) that is threaded, there is stepped hole the gaily decorated basket (16) upper end, the steel loop (23) that the pin arranging with stepped hole below by stepped hole is connected is fixed on the gaily decorated basket (16) upper end by sliding sleeve (14) lower end, the bottom outer cylinder surface of sliding sleeve (14) and stator (10) internal surface gaps are connected, sliding sleeve (14) top periphery extends cylindrical step axle, the anchor ring projection of this Step Shaft lower end has driving tooth (5), with driving tooth (on the circular table on the passive tooth of 50 positioned opposite (6) projection and rotor (25), rotor (25) inner surface is connected with sliding sleeve (14) matched in clearance, the semicircle gathering sill (7) that has indent on external surface, gathering sill (7) is along the continuous round and smooth closed annular structure of rotor (25) periphery, the place plane of this gathering sill (7) loop configuration and rotor (25) cylindrical center line are angle of inclination, distance between the highs and lows of this guiding grooved ring (7) shape structure is greater than the diameter of ceramic water nozzle (3), gathering sill (7) is connected with guide runner (8) matched in clearance of plunger valve rod (4) bottom, on the bottom stage axle of rotor (25), there is annular inner groovy, this groove cross section is semicircle, stator (10) has annular inner groovy on upper end step hole, and this groove cross section is semicircle, at two semi-circular recesses, be built-in with steel ball (9).
2. the linear water dispensing apparatus of water injection well in oil fields according to claim 1, it is characterized in that: described stator (10) endoporus is connected with sliding sleeve (14) matched in clearance, on the top tube wall of stator (10), by through hole whorl, be fixed with feather key (11), feather key (11) stretches to the recessed position at sliding sleeve (14) middle part, the outer step periphery of stator (10) the bottom centre connecting sleeve (15) that is threaded, centre connecting sleeve (15) the upper end injection well downhole flow regulator main body (1) that is threaded.
3. the linear water dispensing apparatus of water injection well in oil fields according to claim 1 and 2, it is characterized in that: described feather key (11) stretches into the recessed position at sliding sleeve (14) middle part, this position is comprised of upper groove (12) and low groove (13), the center of the arc groove at upper groove (12), low groove (13) the top layout that is staggered, distance equals the diameter of circular arc.
4. the linear water dispensing apparatus of water injection well in oil fields according to claim 3, it is characterized in that: location relation between upper groove (12) and driving tooth (5), the circular arc centre distance of upper groove (12) two adjacent recesses equals the initiatively integral multiple of (5) tooth tooth pitch and adds 1/4th tooth pitches.
5. the linear water dispensing apparatus of water injection well in oil fields according to claim 4, is characterized in that: described feather key (11), some feather keys (11) are evenly arranged along the top tube wall of stator (10).
6. the linear water dispensing apparatus of water injection well in oil fields according to claim 5, is characterized in that: the outer step periphery of the bottom of described stator (10) centre connecting sleeve (15) that is threaded, has penetrating flowing hole (24) on this step; Between sliding sleeve (14) top and the inner duct of injection well downhole flow regulator main body (1), there is space; Between the gaily decorated basket (16) external surface and centre connecting sleeve (15) inwall, there is space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310653600.3A CN103643927B (en) | 2013-12-08 | 2013-12-08 | The linear water dispensing apparatus of a kind of water injection well in oil fields |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310653600.3A CN103643927B (en) | 2013-12-08 | 2013-12-08 | The linear water dispensing apparatus of a kind of water injection well in oil fields |
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| CN103643927A true CN103643927A (en) | 2014-03-19 |
| CN103643927B CN103643927B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250658A (en) * | 2021-06-01 | 2021-08-13 | 哈尔滨艾拓普科技有限公司 | Intelligent oil well production allocator |
| CN116358649A (en) * | 2023-04-13 | 2023-06-30 | 淄博贝林电子有限公司 | Intelligent water meter with Bluetooth communication function |
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| SU398737A1 (en) * | 1971-07-08 | 1973-09-27 | витель Унраинский научно исследовательский институт природных газов | DEVICE FOR HYDROPUNDSBRUSH PERFORATION |
| US3837403A (en) * | 1972-01-03 | 1974-09-24 | Hydril Co | Alternating valve method and apparatus |
| US4270620A (en) * | 1979-01-12 | 1981-06-02 | Dailey Oil Tools, Inc. | Constant bottom contact tool |
| US6978830B2 (en) * | 2002-08-28 | 2005-12-27 | Msi Machineering Solutions Inc. | Downhole latch |
| CN201165862Y (en) * | 2008-01-25 | 2008-12-17 | 毛万里 | Hydraulic control oil field downhole multi-time opening-closing valve and opening-closing tools |
| CN201306161Y (en) * | 2008-12-09 | 2009-09-09 | 薛相君 | A full-automatic flow regulation water distributor |
| CN101936149B (en) * | 2010-09-17 | 2013-12-04 | 中国石油化工股份有限公司 | Automatic circulation switchers, separate zone water injection system and automatic circulation water injection method |
| AU2012250456A1 (en) * | 2011-05-03 | 2013-11-14 | Packers Plus Energy Services Inc. | Sliding sleeve valve and method for fluid treating a subterranean formation |
| CN103321611A (en) * | 2012-03-22 | 2013-09-25 | 刘昕 | Drum type pulse-free petroleum pumping unit |
| CN202578634U (en) * | 2012-06-12 | 2012-12-05 | 中国石油天然气股份有限公司 | Switching type rail sealing sliding sleeve |
| CN202810784U (en) * | 2012-08-02 | 2013-03-20 | 中国石油化工股份有限公司 | Underground intelligent switch device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250658A (en) * | 2021-06-01 | 2021-08-13 | 哈尔滨艾拓普科技有限公司 | Intelligent oil well production allocator |
| CN116358649A (en) * | 2023-04-13 | 2023-06-30 | 淄博贝林电子有限公司 | Intelligent water meter with Bluetooth communication function |
| CN116358649B (en) * | 2023-04-13 | 2024-02-23 | 淄博贝林电子有限公司 | Intelligent water meter with Bluetooth communication function |
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