CN204782812U - Gas storage storehouse is annotated and is adopted tubular column - Google Patents
Gas storage storehouse is annotated and is adopted tubular column Download PDFInfo
- Publication number
- CN204782812U CN204782812U CN201520358542.6U CN201520358542U CN204782812U CN 204782812 U CN204782812 U CN 204782812U CN 201520358542 U CN201520358542 U CN 201520358542U CN 204782812 U CN204782812 U CN 204782812U
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- gas storage
- umbrella
- oil pipe
- column jacket
- production column
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Abstract
The utility model discloses a gas storage storehouse is annotated and is adopted tubular column belongs to the operation field of adopting of annotating. This gas storage storehouse is annotated and is adopted tubular column includes that oil pipe shoes, seating and sealing unit, packer, sliding sleeve, downhole safety valve, oil pipe that from the bottom up set gradually hang and the oil pipe cross, and oil pipe shoes, seating and sealing unit, packer, sliding sleeve, downhole safety valve, oil pipe hang and connect each other through oil pipe between two liang, and oil pipe hangs and hangs in the oil pipe cross. The seating and sealing unit includes from down supreme being used for of setting gradually does not have the steel wire and throw to drag for to sit the umbrella formula seat sealing ball seat that seals and be used for the steel wire to throw to drag for and sit the seat that seals and seal the seating nipple. The utility model discloses a set up umbrella formula seat sealing ball seat and sit to seal two kinds of seating and sealing units of seating nipple on gas storage storehouse is annotated and is adopted tubular column, realized that gas storage storehouse is annotated and is adopted tubular column does not have to throw to drag for to sit to seal packer and steel wire and throw and drag for the blanking plug and sit and seal a packer, have the gas storage storehouse is annotated and is adopted tubular column of messenger and sit simple and convenient, swift, safe, a reliable characteristic, both the construction cycle is reduced has reduceed construction cost's effect again.
Description
Technical field
The utility model relates to note and adopts field of operation, particularly gas storage injection-production column jacket.
Background technology
Comparatively general with some developed country's construction of storage of Europe in North America at present, the gas storage well of these countries is shallow, formation temperature, pressure are not high yet, and the injection-production technical tubing string of employing is generally furnished with storm valve, circulation slide sleeve, packer, is located the downhole tools such as joint.And China's construction of storage is at the early-stage, due to the restriction by gas storage addressing, the reservoir of some gas storages is comparatively dark at present, and reservoir temperature, pressure are also higher, and most of injection-production well needs directed completion simultaneously, adopts operation bring great difficulty to gas storage note.
In the operation of conventional gas storage injection-production technical tubing string, need to deliver blanking plug with steel wire carry out setting construction, and more domestic gas storages are deep-well, high angle hole, adopt steel wire to deliver blanking plug set packer difficulty comparatively large, sometimes also there will be choking phenomenon or blocked portion accident.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
(1) because wire Launching and Bailing operation requires higher to tubing string inwall, the situation such as fouling, impurity must not be had;
(2) for gradient, deep-well, because of intensity of steel wire and the hole deviation steel wire friction problem such as stressed, normal wire Launching and Bailing operation cannot under existing operating condition, be ensured;
(3) common pitching setting ball seat is to the serious undergauge of injection-production column jacket passage.
Therefore, necessaryly a kind of gas storage injection-production column jacket is provided.
Utility model content
In order to solve at least one aspect of the above-mentioned problems in the prior art and defect, the utility model provides a kind of gas storage injection-production column jacket.Described technical scheme is as follows:
An object of the present utility model there is provided a kind of gas storage injection-production column jacket.
According to an aspect of the present utility model, provide a kind of gas storage injection-production column jacket, this gas storage injection-production column jacket comprises the tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger and the oil pipe four-way that set gradually from top to bottom, described tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger are connected to each other by oil pipe between any two, described tubing hanger is suspended on described oil pipe four-way, wherein
Described seating and sealing unit comprise set gradually from bottom to up for the umbrella-type setting ball seat that sets without wire Launching and Bailing and set for wire Launching and Bailing set seating nipple.
Particularly, described seating and sealing unit also comprise match with described umbrella-type setting ball seat set steel ball for what set without wire Launching and Bailing.
Further, the described upper and lower two ends of umbrella-type setting ball seat are provided with tubing round thread, the described upper and lower two ends of umbrella-type setting ball seat are connected with described oil pipe respectively by described tubing round thread, and described umbrella-type setting ball seat sets seating nipple with described and tubing shoe is connected up and down and communicates with each other;
Described umbrella-type setting ball seat comprise set gradually from top to bottom top connection, connecting cylinder and lower contact, described connecting cylinder is threaded connection with described top connection and lower contact respectively.
Particularly, described umbrella-type setting ball seat also comprises:
Non-return insertion tube, described non-return insertion tube is arranged between the inner chamber middle part of described connecting cylinder and the lower end of described top connection;
Spring, described spring is arranged between radially annular protrusion outwardly in described non-return insertion tube and the lower end of described top connection;
Umbrella-type elastic packing pawl, described umbrella-type elastic packing pawl is arranged between radially inwardly outstanding annular shoulder in described lower contact and the lower end of described non-return insertion tube, and the top of described umbrella-type elastic packing pawl is adjacent with the shoulder in the middle of described connecting cylinder;
End part seal, described end part seal is arranged on the top of described umbrella-type elastic packing pawl, contacting with the lower end surface of described non-return insertion tube above of described end part seal, and the side of described end part seal contacts with the shoulder in the middle of described connecting cylinder;
Annular element, described annular element is arranged on the lower end of described umbrella-type elastic packing pawl, and is fixedly connected with the lower end of described umbrella-type elastic packing pawl.
Further, on the annular shoulder of described lower contact and the arranged outside being close to described annular element has shearing ring seat, described shearing ring seat and described annular element are fixedly connected with by surely carrying shear pin.
Particularly, described umbrella-type elastic packing pawl is provided with multiple jaw, the end of described multiple jaw is provided with sulfuration and is formed in multiple described end part seal in multiple jaw,
When setting, described in set the channel seal cross section that steel ball, end part seal and connecting cylinder form described gas storage injection-production column jacket.
Further, be tightly connected respectively by sealing ring between described top connection and described connecting cylinder and between described connecting cylinder and lower contact.
Further, when setting, described umbrella-type elastic packing pawl is in the state of tightening up, described in set steel ball and be placed on end part seal;
After having set, by improving the pressure of the hydraulic pressure pumped in described gas storage injection-production column jacket, cut off and describedly surely carry shear pin, open configuration is in the cavity that described umbrella-type elastic packing pawl drops into described connecting cylinder downwards, fall into well by the described steel ball that sets through described umbrella-type elastic packing pawl, described umbrella-type setting ball seat reverts to has interior latus rectum.
Further, the described two ends up and down setting seating nipple are respectively arranged with tubing round thread, the described upper and lower two ends of seating nipple that set are connected with described oil pipe respectively by described tubing round thread, and described in set seating nipple and be connected up and down with described umbrella-type setting ball seat and packer and communicate with each other, described seating and sealing unit also comprises and the described blanking plug set for wire Launching and Bailing setting seating nipple and match.
Further, described in set in seating nipple be provided with locate for described blanking plug set detent, described in set detent along described in set the radial direction of seating nipple inner chamber outwardly.
Particularly, described blanking plug is provided with for the described locating detent setting detent and match, the external surface of described blanking plug is provided with sealing ring,
When setting, the sealing ring on described blanking plug contacts with the described sealing barrel setting seating nipple and forms oil pipe channel seal cross section.
The beneficial effect of the technical scheme that the utility model provides is: the gas storage injection-production column jacket that the utility model provides fully combines common pitching setting ball seat feature easy and simple to handle, devise umbrella-type pawl simultaneously, after packer setting, umbrella-type pawl is opened, maintain latus rectum in gas storage injection-production column jacket not reduce, undergauge phenomenon can not be produced.Have according to the gas storage injection-production column jacket that the utility model provides the mode that two kinds realize gas storage injection-production column jacket packer setting, one sets mode without wire Launching and Bailing, and another kind is that steel wire launch-work two kinds sets mode.Wherein, set mode without wire Launching and Bailing and need not remove steel wire and carry out operation, have and make gas storage injection-production column jacket set easy, quick, safe and reliable feature.Both shorten construction period, reduce construction cost again.Wire Launching and Bailing sets and can realize repeatedly pulling blanking plug and set, reusable.The utility model is that existing gas storage well injection-production technical tubing string adds one and newly sets mode, for the construction of gas storage well provides safety guarantee.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gas storage injection-production column jacket according to an embodiment of the present utility model;
Fig. 2 is the structural representation of the gas storage injection-production column jacket shown in Fig. 1 when employing sets without wire Launching and Bailing;
Fig. 3 is the structural representation of the umbrella-type setting ball seat in the gas storage injection-production column jacket shown in Fig. 2;
Fig. 4 a is the structural representation that the umbrella-type elastic packing pawl being provided with end part seal in the umbrella-type setting ball seat shown in Fig. 3 is in when tightening up state;
Fig. 4 b is the top view of the end part seal shown in Fig. 4 a;
Fig. 4 c is the structural representation of the umbrella-type elastic packing pawl being provided with end part seal in the umbrella-type setting ball seat shown in Fig. 3 when being in open configuration;
Fig. 4 d is the top view of the end part seal shown in Fig. 4 c;
Fig. 5 is the structural representation of the gas storage injection-production column jacket shown in Fig. 1 when adopting wire Launching and Bailing to set;
Fig. 6 is the structural representation setting seating nipple in the gas storage injection-production column jacket shown in Fig. 5;
Fig. 7 is the structural representation of the blanking plug shown in Fig. 5,
Fig. 8 is the flow chart of the method using gas storage injection-production column jacket of the present utility model.
Wherein, 100 gas storage injection-production column jackets, 10 tubing shoes, 20 seating and sealing units, 21 umbrella-type setting ball seats, 211 top connections, 212 connecting cylinders, 213 lower contacts, 214 non-return insertion tubes, 215 springs, 216 umbrella-type setting ball seats, 217 end part seals, 218 annular elements, 219 sealing rings, 201 stop parts, 202 shoulders, 203 annular shoulders, 204 annular protrusion, 206 jaw, 208 shear ring seat, 210 carry shear pin surely, 22 set seating nipple, 221 detents, 222 sealing barrels, 23 set steel ball, 24 blanking plugs, 241 locating detents, 242 sealing rings, 243 steel wires, 244 winches, 30 packers, 40 sliding sleeves, 50 storm valves, 60 tubing hangers, 70 oil pipe four-ways, 80 oil pipes, 81 tubing round thread.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1, it illustrates the gas storage injection-production column jacket 100 according to an embodiment of the present utility model.Gas storage injection-production column jacket 100 comprises the tubing shoe 10, seating and sealing unit 20, packer 30, sliding sleeve 40, storm valve 50, tubing hanger 60 and the oil pipe four-way 70 that set gradually from top to bottom.Tubing shoe 10, seating and sealing unit 20, packer 30, sliding sleeve 40, storm valve 50, tubing hanger 60 are connected to each other by oil pipe 80 between any two, oil pipe 80 is hanging to be hung on oil pipe four-way 70, particularly, seating and sealing unit 20 comprise set gradually from bottom to up for the umbrella-type setting ball seat 21 that sets without wire Launching and Bailing and set for wire Launching and Bailing set seating nipple 22.Namely gas storage injection-production column jacket connected mode is from top to bottom: tubing shoe 10 connected pipes 80, oil pipe 80 connects umbrella-type setting ball seat 21, umbrella-type setting ball seat 21 connected pipes 80, oil pipe 80 connection sets seating nipple 22, set seating nipple 22 connected pipes 80, oil pipe 80 connects packer 30, packer 30 connected pipes 80, oil pipe 80 connects sliding sleeve 40, sliding sleeve 40 connected pipes 80, oil pipe 80 connecting downhole safety valve 50, storm valve 50 connected pipes 80, oil pipe 80 connected pipes hangs 60, tubing hanger 60 hangs on oil pipe four-way 70.
As shown in Figure 2, seating and sealing unit 20 also comprise match with umbrella-type setting ball seat 21 set steel ball 23 for what set without steel wire launch-work.Specifically see Fig. 3, umbrella-type setting ball seat 21 comprise set gradually from top to bottom top connection 211, connecting cylinder 212 and lower contact 213.Connecting cylinder 212 is threaded connection with top connection 211 and lower contact 213 respectively, and the sealing ring 219 be respectively arranged with between top connection 211 and connecting cylinder 212 and between lower contact 213 and connecting cylinder 212 for being tightly connected, top connection 211 thus, between connecting cylinder 212 and lower contact 213, define the cavity of connecting cylinder 212.
Shown in composition graphs 2 and Fig. 3, the two ends up and down of umbrella-type setting ball seat 21 are provided with tubing round thread 81, namely tubing round thread 81 is respectively arranged with in the upper end of top connection 211 with in the lower end of lower contact 213, the upper end of the top connection 211 in umbrella-type setting ball seat 21 is connected by tubing round thread 81 one end with oil pipe 80, the other end of this oil pipe 80 with set seating nipple 22 and be connected, the lower end of the lower contact 213 in umbrella-type setting ball seat 21 is connected by tubing round thread 81 one end with another oil pipe 80, the other end of this oil pipe 80 is connected with tubing shoe 10, such umbrella-type setting ball seat 21 with set seating nipple 22 and tubing shoe communicates with each other up and down.
Continue see Fig. 3, umbrella-type setting ball seat also comprises non-return insertion tube 214, spring 215, umbrella-type elastic packing pawl 216, end part seal 217 and annular element 218.Non-return insertion tube 214 is arranged between the inner chamber middle part of connecting cylinder 212 and the lower end of top connection 211.
Radially outstanding annular protrusion 204 is had in the arranged outside of non-return insertion tube 214.Spring 215 is provided with between annular protrusion 204 and the lower end of top connection 211, namely spring 215 is arranged in the remaining space between connecting cylinder 212 top and non-return insertion tube 214, can prevent spring 215 from moving like this, and can move down for promoting non-return insertion tube 214 after packer 30 has set.
As shown in Figure 3, umbrella-type elastic packing pawl 216 is arranged between radially inwardly outstanding annular shoulder 203 in lower contact 213 and the lower end of non-return insertion tube 214, the top of umbrella-type elastic packing pawl 216 is adjacent with the shoulder 202 in the middle of connecting cylinder 212, make the upper end of umbrella-type elastic packing pawl 216 be retrained by shoulder 202 like this, thus umbrella-type elastic packing pawl 216 is in the state of tightening up all the time before packer 30 has set.
As shown in Figure 3, the top of umbrella-type elastic packing pawl 216 is provided with end part seal 217.Contacting with the lower end surface of non-return insertion tube 214 above of end part seal 217, the side of end part seal 217 contacts with the shoulder 202 in the middle of connecting cylinder 212.
Specifically see Fig. 4 a and Fig. 4 b, umbrella-type elastic packing pawl 216 is provided with multiple jaw 206, each sulfuration in multiple jaw 206 has end part seal 217, make when setting gas storage injection-production column jacket 100 like this, because umbrella-type elastic packing pawl 216 is in the state of tightening up (as shown in figures 4 a and 4b), multiple end part seals 217 close proximity each other, ring port is formed in the end of umbrella-type elastic packing pawl 216, when setting steel ball 23 and being placed on this ring port, set steel ball 23, end part seal 217 and connecting cylinder 212 form the channel seal cross section of gas storage injection-production column jacket 100.
Refer again to Fig. 3, the upper end of non-return insertion tube 214 contacts with the stop part 201 of radially inwardly outstanding in top connection 211 inner chamber, the lower end of non-return insertion tube 214 and contacting above of end part seal 217, can prevent from like this setting and test before envelope completes at packer 30, non-return insertion tube 214 is mobile in umbrella-type setting ball seat 21.
The lower end of umbrella-type elastic packing pawl 216 is provided with annular element 218, and is fixedly connected with between annular element 218 with the lower end of umbrella-type elastic packing pawl 216.Such as umbrella-type elastic packing pawl 216 can be welded to one another with annular element 218 and be connected, and also can be fixed by screw, can also make umbrella-type elastic packing pawl and annular element one-body molded.Certainly, those skilled in the art can also adopt other method of attachment to substitute, and are fixedly connected with annular element as long as can realize umbrella-type elastic packing pawl.Certainly, it will be appreciated by those skilled in the art that this example only as to a kind of exemplary illustration of the present utility model, can not be interpreted as one restriction of the present utility model.
On the annular shoulder 203 of lower contact 213 and the arranged outside of next-door neighbour's annular element 218 have and shear ring seat 208, shear ring seat 208 and be fixedly connected with by surely carrying shear pin 210 with between annular element 218.Such design can make the lower end of umbrella-type elastic packing pawl 216 be fixed on lower contact 213 annular shoulder 203.
Principle is set to further illustrate the concrete structure of umbrella-type setting ball seat below by what describe umbrella-type setting ball seat in detail.
Composition graphs 2, Fig. 4 a, Fig. 4 b, shown in Fig. 4 c and Fig. 4 d, when setting umbrella-type setting ball seat 21, passage along gas storage injection-production column jacket 100 drops into and sets steel ball 23, when on the end part seal 217 setting steel ball 23 and be located umbrella-type elastic packing pawl 216, because umbrella-type elastic packing pawl 216 is in the state of tightening up (as shown in figures 4 a and 4b), and the diameter setting steel ball 23 is greater than the diameter of the ring port that multiple end part seal 217 is formed, make to set steel ball 23 can not continue to fall, thus set steel ball 23, end part seal 217 and connecting cylinder 212 define the channel seal cross section of gas storage injection-production column jacket 100, complete setting of umbrella-type setting ball seat 21.
After umbrella-type setting ball seat 21 has set, in gas storage injection-production column jacket 100, pump into hydraulic pressure (reference pressure 20MPa-40MPa) by the specified pressure that sets of packer 30, the packer 30 on gas storage injection-production column jacket 100 is set.After packer 30 sets, raising pumps into hydraulic pressure in gas storage injection-production column jacket 100, and to surely carrying, shear pin 210 is specified cuts off pressure (reference pressure 25MPa ~ 45MPa), make the active force being applied to umbrella-type elastic packing pawl 216 and setting steel ball 23 be greater than the shearing force of surely carrying shear pin 210, surely carry shear pin 210 and cut off.Surely carrying after shear pin 210 cut off, shear ring seat 208 to be separated with annular element 218, now because the annular element 218 that is fixedly connected with umbrella-type elastic packing pawl 216 is without the support at the shoulder position 203 of lower contact 213, make annular element 218 together with umbrella-type elastic packing pawl 216 in the descending cavity dropping into connecting cylinder 212.And be less than the diameter of the neck of lower contact 213 due to the diameter of annular element 28, no longer fall when annular element 218 and umbrella-type elastic packing pawl 216 are dropped in the cavity of the connecting cylinder 212 at the neck place of lower contact 213, and be fixed to the neck place of lower contact 213.
After in the cavity that umbrella-type elastic packing pawl 216 drops into connecting cylinder 212, (as shown in Fig. 4 c and Fig. 4 d) is opened owing to losing the constraint of the shoulder 202 of connecting cylinder 212 in the upper end of umbrella-type elastic packing pawl 216, thus multiple end part seals 217 of the ring port formed also are separated from each other, the diameter of the port now formed in the upper end of umbrella-type elastic packing pawl 216 has been greater than the diameter setting steel ball 23, making to set steel ball 23 drops in well by umbrella-type elastic packing pawl 216, thus recovered the interior latus rectum of umbrella-type setting ball seat 21, larger latus rectum is provided for producing passage, achieve and set gas storage injection-production column jacket 100 without wire Launching and Bailing.
Wherein, while umbrella-type elastic packing pawl 216 drops in the cavity of connecting cylinder 212 with annular element 218 is descending, non-return insertion tube 214 under the elastic force effect of its Action of Gravity Field and spring 215, along with umbrella-type elastic packing pawl 216 falls together.Owing to being provided with shoulder 202 in the inner chamber of connecting cylinder 212, therefore when the annular protrusion 204 of non-return insertion tube 214 is fallen on shoulder 202, non-return insertion tube 214 stops falling.And umbrella-type elastic packing pawl 216 is now in open configuration in lower backwardness, make the lower end of non-return insertion tube 214 extend in the upper end port of umbrella-type elastic packing pawl 216, such design effectively prevent umbrella-type elastic packing pawl 216 owing to opening for a long time or bouncing back voluntarily when being subject to high temperature.
See Fig. 5, seating and sealing unit 20 also comprises and the blanking plug 24 for wire Launching and Bailing setting seating nipple 22 and match.Specifically see Fig. 6, tubing round thread 81 is respectively arranged with at the two ends up and down setting seating nipple 22, set seating nipple 22 upper end to be connected by tubing round thread 81 one end with oil pipe 80, the other end of this oil pipe 80 is connected with packer 30, set seating nipple 22 lower end to be connected by tubing round thread 81 one end with another oil pipe 80, the other end of this oil pipe 80 is connected with umbrella-type setting ball seat 21, sets seating nipple 22 like this and communicates with each other with umbrella-type setting ball seat 21 and packer about 30.
As shown in Figure 6, set in seating nipple 22 be provided with for blanking plug 24 locate set detent 221, set detent 221 along setting the radial direction of seating nipple 22 inner chamber outwardly.See Fig. 7, be provided with for setting detent 221 to the locating detent 241 coordinated at blanking plug 24, and sealing ring 242 is provided with on the external surface of blanking plug 24, when setting, sealing ring 242 on blanking plug 24 contacts with the sealing barrel 222 setting seating nipple 22, to form oil pipe channel seal cross section.
Below by describe in detail set seating nipple set principle to further illustrate the concrete structure setting seating nipple.
See Fig. 5, when gas storage injection-production column jacket 100 sets, drive steel wire 243, the blanking plug running tool (not shown) be connected with steel wire 243 lower end and blanking plug 24 with ground winch 244, from oil pipe four-way 70, blanking plug running tool (not shown), blanking plug 24 are sent in gas storage injection-production column jacket 100.Blanking plug 24 is located on the detent 221 that sets in seating nipple 22, and on blanking plug 24, sealing ring 242 contacts with the sealing barrel 222 set in seating nipple 22 and forms oil pipe channel seal cross section, completes and sets setting of seating nipple 22.Afterwards blanking plug running tool (not shown) and blanking plug 24 are given up, and steel wire and blanking plug running tool (not shown) are tripped out in well.
After steel wire 243 and blanking plug running tool (not shown) being tripped out in well, in gas storage injection-production column jacket 100, pump into hydraulic pressure (reference pressure 20MPa-40MPa), the packer 30 on gas storage injection-production column jacket 100 is set.After packer 30 sets, again from the plug catcher (not shown) that oil pipe four-way enters steel wire 243 for 70 times and is connected with steel wire 243 lower end.After plug catcher (not shown) catches blanking plug 24, ground winch 244 upwards drives steel wire 243, is pulled out by blanking plug 24 in gas storage injection-production column jacket 100, realizes wire Launching and Bailing and sets gas storage injection-production column jacket 100.
What set gas storage injection-production column jacket 100 in the mode that sets and wire Launching and Bailing that set gas storage injection-production column jacket 100 without wire Launching and Bailing sets in mode, these the two kinds one setting mode can be selected, also can select to set as preferential use without wire Launching and Bailing, wire Launching and Bailing sets as use for subsequent use.Wherein, only need drop into from well head when setting without wire Launching and Bailing and set steel ball, then pump into hydraulic pressure and can complete and set, its work progress is easy, quick, the time is short, construction cost is low, but can only once use.Blanking plug is sent in well with winch when setting construction by wire Launching and Bailing blanking plug, needs to salvage out by blanking plug with steel wire again after gas storage injection-production column jacket sets, and can realize repeatedly pulling blanking plug and set, reusable.
See Fig. 8, it illustrates the flow chart of the method using gas storage injection-production column jacket.The method of gas storage injection-production column jacket comprises the following steps:
(1) by gas storage injection-production column jacket G.I.H, and the tubing hanger of gas storage injection-production column jacket is suspended on oil pipe four-way;
(2) steel ball will be set to be placed in umbrella-type setting ball seat and to coordinate with umbrella-type setting ball seat, to carry out setting without wire Launching and Bailing; Or
Blanking plug is placed on set in seating nipple and with set seating nipple and coordinate, set to carry out wire Launching and Bailing.
Wherein, the step of gas storage injection-production column jacket G.I.H is being comprised:
I () to be implemented tubing shoe, oil pipe, umbrella-type setting ball seat before operation at gas storage injection-production well, is set the materials such as seating nipple, packer, sliding sleeve, storm valve, tubing hanger, oil pipe four-way and be ready to, and implement after passed examination;
(ii) before by gas storage injection-production column jacket lower going-into-well, on the ground by tubing shoe and oil pipe, umbrella-type setting ball seat and oil pipe, set seating nipple and oil pipe, packer and oil pipe, sliding sleeve and oil pipe, storm valve and oil pipe connect respectively;
(iii) enter tubing shoe and oil pipe, umbrella-type setting ball seat and oil pipe under successively in injection-production well, set seating nipple and oil pipe, packer and oil pipe, sliding sleeve and oil pipe, storm valve and oil pipe;
(iv) hang at the end connected pipes of gas storage injection-production column jacket;
V the gas storage injection-production column jacket of G.I.H is suspended on oil pipe four-way by ().
Can adopt when setting gas storage injection-production column jacket and set mode without wire Launching and Bailing, the step of which comprises:
(a1) set steel ball from one end input of the oil pipe four-way of gas storage injection-production column jacket, make to set steel ball and fall, until be located in umbrella-type setting ball seat along the passage in gas storage injection-production column jacket;
(a2) require in gas storage injection-production column jacket, to pump into hydraulic pressure from well head according to setting of packer, make the packer setting on gas storage injection-production column jacket;
(a3) after packer setting, outside pit shaft, packer and gas storage injection-production column jacket around space pump into hydraulic pressure, checking sealing of packer sets effect;
(a4) after testing seal about packer, in gas storage injection-production column jacket, hydraulic pressure is pumped into, till the hydraulic pressure of gas storage injection-production column jacket inner chamber declines suddenly.
Gas storage injection-production column jacket is lowered into before in well, can according to packer specified set design of pressure umbrella-type setting ball seat surely carry shear pin cut off force value, and the force value of cutting off of surely carrying shear pin is set to set pressure 2 ~ 10MPa higher than the specified of packer.
In step (a1), when setting steel ball and being located on umbrella-type setting ball seat, umbrella-type elastic packing pawl in umbrella-type setting ball seat is in the state of tightening up, make to set the channel seal cross section that steel ball, end part seal and connecting cylinder form gas storage injection-production column jacket, complete setting of umbrella-type setting ball seat.
In step (a4), after testing seal about packer, to gas storage injection-production column jacket pump into hydraulic pressure to setting umbrella-type setting ball seat surely carry shear pin cut off force value after, continue the pressure improving the hydraulic pressure pumped into, suddenly decline to pressure, at this moment the shear pin that surely carries of umbrella-type setting ball seat is cut off.Now, in the cavity that umbrella-type elastic packing pawl drops into connecting cylinder downwards, be in open configuration, and set steel ball by umbrella-type elastic packing pawl and fall into well, realize setting gas storage injection-production column jacket without steel wire launch-work.
Set the mode that gas storage injection-production column jacket can also adopt steel wire launch-work to set, the step of which comprises:
(b1) blanking plug is connected with one end of steel wire, the other end of steel wire is connected with winch, winch drives steel wire, the blanking plug be connected is fallen along gas storage injection-production column jacket inner chamber from oil pipe four-way, set on the detent of seating nipple until blanking plug is located with steel wire;
(b2) require to pump into hydraulic pressure in gas storage injection-production column jacket according to setting of packer, make the packer setting on gas storage injection-production column jacket;
(b3) after packer setting, outside pit shaft, packer and gas storage injection-production column jacket around space pump into hydraulic pressure, checking sealing of packer sets effect;
(b4) after testing seal about packer, winch upwards drives steel wire, is pulled out by blanking plug in gas storage injection-production column jacket, realizes steel wire launch-work and sets gas storage injection-production column jacket.
In the above-described embodiment, can select above-mentioned two kinds of one setting mode, also can select to set as preferential use without wire Launching and Bailing, wire Launching and Bailing sets as use for subsequent use.
The beneficial effect of the technical scheme that the utility model provides is: the gas storage injection-production column jacket that the utility model provides fully combines common pitching setting ball seat feature easy and simple to handle, devise umbrella-type pawl simultaneously, after packer setting, umbrella-type pawl is opened, maintain latus rectum in gas storage injection-production column jacket not reduce, undergauge phenomenon can not be produced.Have according to the gas storage injection-production column jacket that the utility model provides the mode that two kinds realize gas storage injection-production column jacket packer setting, one sets mode without wire Launching and Bailing, and another kind is that steel wire launch-work two kinds sets mode.Wherein, set mode without wire Launching and Bailing and need not remove steel wire and carry out operation, have and make gas storage injection-production column jacket set easy, quick, safe and reliable feature.Both shorten construction period, reduce construction cost again.Wire Launching and Bailing sets and can realize repeatedly pulling blanking plug and set, reusable.The utility model is that existing gas storage well injection-production technical tubing string adds one and newly sets mode, for the construction of gas storage well provides safety guarantee.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a gas storage injection-production column jacket, described gas storage injection-production column jacket comprises the tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger and the oil pipe four-way that set gradually from top to bottom, described tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger are connected to each other by oil pipe between any two, described tubing hanger is suspended on described oil pipe four-way, it is characterized in that
Described seating and sealing unit comprise set gradually from bottom to up for the umbrella-type setting ball seat that sets without wire Launching and Bailing and set for wire Launching and Bailing set seating nipple.
2. gas storage injection-production column jacket according to claim 1, is characterized in that,
Described seating and sealing unit also comprise match with described umbrella-type setting ball seat set steel ball for what set without wire Launching and Bailing.
3. gas storage injection-production column jacket according to claim 2, is characterized in that,
The described upper and lower two ends of umbrella-type setting ball seat are provided with tubing round thread, the described upper and lower two ends of umbrella-type setting ball seat are connected with described oil pipe respectively by described tubing round thread, and described umbrella-type setting ball seat sets seating nipple with described and tubing shoe is connected up and down and communicates with each other;
Described umbrella-type setting ball seat comprise set gradually from top to bottom top connection, connecting cylinder and lower contact, described connecting cylinder is threaded connection with described top connection and lower contact respectively.
4. gas storage injection-production column jacket according to claim 3, is characterized in that,
Described umbrella-type setting ball seat also comprises:
Non-return insertion tube, described non-return insertion tube is arranged between the inner chamber middle part of described connecting cylinder and the lower end of described top connection;
Spring, described spring is arranged between radially annular protrusion outwardly in described non-return insertion tube and the lower end of described top connection;
Umbrella-type elastic packing pawl, described umbrella-type elastic packing pawl is arranged between radially inwardly outstanding annular shoulder in described lower contact and the lower end of described non-return insertion tube, and the top of described umbrella-type elastic packing pawl is adjacent with the shoulder in the middle of described connecting cylinder;
End part seal, described end part seal is arranged on the top of described umbrella-type elastic packing pawl, contacting with the lower end surface of described non-return insertion tube above of described end part seal, and the side of described end part seal contacts with the shoulder in the middle of described connecting cylinder;
Annular element, described annular element is arranged on the lower end of described umbrella-type elastic packing pawl, and is fixedly connected with the lower end of described umbrella-type elastic packing pawl.
5. gas storage injection-production column jacket according to claim 4, is characterized in that,
On the annular shoulder of described lower contact and the arranged outside being close to described annular element has shearing ring seat, described shearing ring seat and described annular element are fixedly connected with by surely carrying shear pin.
6. gas storage injection-production column jacket according to claim 5, is characterized in that,
Described umbrella-type elastic packing pawl is provided with multiple jaw, the end of described multiple jaw is provided with sulfuration and is formed in multiple described end part seal in multiple jaw,
When setting, described in set the channel seal cross section that steel ball, end part seal and connecting cylinder form described gas storage injection-production column jacket.
7. gas storage injection-production column jacket according to claim 3, is characterized in that,
Be tightly connected respectively by sealing ring between described top connection and described connecting cylinder and between described connecting cylinder and lower contact.
8. gas storage injection-production column jacket according to claim 5, is characterized in that,
When setting, described umbrella-type elastic packing pawl is in the state of tightening up, described in set steel ball and be placed on end part seal;
After having set, by improving the pressure of the hydraulic pressure pumped in described gas storage injection-production column jacket, cut off and describedly surely carry shear pin, open configuration is in the cavity that described umbrella-type elastic packing pawl drops into described connecting cylinder downwards, fall into well by the described steel ball that sets through described umbrella-type elastic packing pawl, described umbrella-type setting ball seat reverts to has interior latus rectum.
9. gas storage injection-production column jacket according to claim 1, is characterized in that,
The described two ends up and down setting seating nipple are respectively arranged with tubing round thread, the described upper and lower two ends of seating nipple that set are connected with described oil pipe respectively by described tubing round thread, and described in set seating nipple and be connected up and down with described umbrella-type setting ball seat and packer and communicate with each other, described seating and sealing unit also comprises and the described blanking plug set for wire Launching and Bailing setting seating nipple and match.
10. gas storage injection-production column jacket according to claim 9, is characterized in that,
Described set in seating nipple be provided with locate for described blanking plug set detent, described in set detent along described in set the radial direction of seating nipple inner chamber outwardly.
11. gas storage injection-production column jackets according to claim 10, is characterized in that,
Described blanking plug is provided with for the described locating detent setting detent and match, the external surface of described blanking plug is provided with sealing ring,
When setting, the sealing ring on described blanking plug contacts with the described sealing barrel setting seating nipple and forms oil pipe channel seal cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358542.6U CN204782812U (en) | 2015-05-29 | 2015-05-29 | Gas storage storehouse is annotated and is adopted tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358542.6U CN204782812U (en) | 2015-05-29 | 2015-05-29 | Gas storage storehouse is annotated and is adopted tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204782812U true CN204782812U (en) | 2015-11-18 |
Family
ID=54522881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520358542.6U Withdrawn - After Issue CN204782812U (en) | 2015-05-29 | 2015-05-29 | Gas storage storehouse is annotated and is adopted tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204782812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285498A (en) * | 2015-05-29 | 2017-01-04 | 中国石油天然气股份有限公司 | Gas storage injection-production column jacket and the method using it |
| CN108661622A (en) * | 2017-03-30 | 2018-10-16 | 中国石油天然气股份有限公司 | A kind of test method of gas storage exhaust gas well plugging effect |
-
2015
- 2015-05-29 CN CN201520358542.6U patent/CN204782812U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285498A (en) * | 2015-05-29 | 2017-01-04 | 中国石油天然气股份有限公司 | Gas storage injection-production column jacket and the method using it |
| CN106285498B (en) * | 2015-05-29 | 2018-10-16 | 中国石油天然气股份有限公司 | Gas storage injection-production column jacket and use its method |
| CN108661622A (en) * | 2017-03-30 | 2018-10-16 | 中国石油天然气股份有限公司 | A kind of test method of gas storage exhaust gas well plugging effect |
| CN108661622B (en) * | 2017-03-30 | 2021-11-02 | 中国石油天然气股份有限公司 | Method for testing plugging effect of waste gas well of gas storage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20181016 |
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| AV01 | Patent right actively abandoned |