CN203835351U - Hydraulic power sand blasting perforation and APR testing combined operation device - Google Patents
Hydraulic power sand blasting perforation and APR testing combined operation device Download PDFInfo
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- CN203835351U CN203835351U CN201420084360.XU CN201420084360U CN203835351U CN 203835351 U CN203835351 U CN 203835351U CN 201420084360 U CN201420084360 U CN 201420084360U CN 203835351 U CN203835351 U CN 203835351U
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Abstract
The utility model relates to the field of petroleum exploration and development, in particular to a hydraulic power sand blasting perforation and APR testing combined operation device. The hydraulic power sand blasting perforation and APR testing combined operation device comprises an APR testing pipe column string and a hydraulic power sand blasting perforation pipe column string, wherein one end of the APR testing pipe column string is connected with a drill stem used for well drilling or an oil pipe, and the other end of the APR testing pipe column string is connected with the hydraulic power sand blasting perforation pipe column string. According to the hydraulic power sand blasting perforation and APR testing combined operation device, the hydraulic power sand blasting perforation pipe column string and the APR testing pipe column string are connected to form the combined operation device, the advantages of the hydraulic power sand blasting perforation pipe column string and the advantages of the APR testing pipe column string are given to full play, and pollution and damage to strata by shell perforation are avoided. When perforation is conducted on the strata containing bottom water, the probability that the bottom water flows upwards can be reduced to a certain extent. Compared with the common shell perforation technology, hydraulic power sand blasting perforation has the advantages of being free of compaction zones, capable of avoiding secondary pollution and the like; the combination operation of the hydraulic power sand blasting perforation pipe column string and the APR testing pipe column string can be used for reducing the effect of perforation operation on original stratum data, and the hydraulic power sand blasting perforation and APR testing combined operation device is suitable for testing operation of hypotonic offshore petroleum reservoirs containing bottom water.
Description
Technical field
The utility model relates to oil exploration and development fields, particularly, relates to a kind of hydraulic jet perforation and APR testing combination operation device.
Background technology
Abradant jet is a kind of new technology of solid abrasive particle for cutting, clean, eliminating rust that add in water jet occurring early 1980s, cutting mechanism and the influence factor of technician to abradant jet carried out a large amount of research, and obtained many achievements in research.When abradant jet carries out perforating job, at the impact initial stage, first the tensile stress that powerful shock loading produces causes the hertz taper crackle of ring-type at rock surface.Then, along with the increase of contact force, under sand grains impact, will produce plastic strain, shear stress component causes a series of radial crackings perpendicular to shock surface.Impacting the later stage, sand grains starts to unload and leave rock, and residual stress can form a series of approximate transverse crackss that are parallel to shock surface.These transverse crackss extend to rock surface, form broken bits or claim broken hole.Under middle pressure (50MPa), the impact velocity of sand grains will substantially exceed the limiting velocity that makes catalase, thereby can effectively cut and fractured rock.When sand grains impact rock cracks, current are clamp-oned crackle under water wedge pressure-acting, play the adjection of extension and running crack, thereby strengthen erosion breaking capacity, realize perforation object.
Perforating technology in existing oil exploration process mainly contains shell perforation, hydraulic jet perforation etc.Wherein, in shell perforation, common piercing bullet is to utilize cumulative armour-piercing principle to break rock perforation, thereby around preforation tunnel, forms fine and close extruded layer, and permeability is reduced greatly, causes serious perforation to pollute.Hydraulic jet perforation is to utilize the principle of abrasive material perforation, the water mortar that will be mixed with finite concentration quartz sand with ground fracturing unit truck pressurizes, deliver to down-hole by oil-line pump, water mortar goes out high-speed jet by the nozzle ejection of downhole perforation instrument, penetrate sleeve-penetrating and near wellbore formation, form the preforation tunnel of certain diameter and the degree of depth.The medium of hydraulic jet perforation is water mortar, and wherein current are to carry the carrier that accelerates sand grains, transmitting energy, the Momentum Transfer of current to solid sand grains after, sand grains is accelerated, in the time of these sand grains impact target things, target deposits yields is degraded to destruction, this classifies as erosive wear in fret wear.Hydraulic jet perforation not only obtains clean unobstructed borehole, and can For Removal of Near Weiibore Formation Plugging.
Full-bore APR(Annular Pressure Responsive) testing tool be Halliburton Company of the U.S. produce testing tool, can be the in the situation that of fixed tubular column realize by applied pressure by annulus and pressure release that downhole testing valve repeatedly drives a well, closing well operation, to obtain the formation characteristics parameter such as output, pressure, fluidity, skin factor, degree of contamination, permeability, profit border of test layer.Compared with conventionally test instrument, the feature such as that APR testing tool has is simple to operate, well control safety is good, and there is especially its unique advantage for the test of directional well, high angle hole, super shallow well, ultradeep well, negative pressure well etc.APR testing tool also has following characteristics in addition: 1. full-bore and latus rectum are large, and advantageous particularly to the test of high yield well, flow resistance is little, is conducive to remove formation contaminant; 2. in the situation that not playing lower tubular column, can carry out pickling or squeezing operation to stratum, and carry out various wireline operations; 3. opening or closing operation does not need moving tubing string, operates safe and reliable compared with MFE or HST testing tool for high yield, high-pressure well Test Switchboard well.APR testing tool mainly comprises: LPR-N testing valve, the safe circulating valve of RD, RD sampler, lofting valve with full bore, RTTS circulating valve, RTTS packer, full-bore hydraulic circulation valve, RTTS safety joint etc.
Based on above-mentioned advantage, APR testing tool is widely used in the test of down-hole formation characteristic, but conventional APR testing tool is to do with shell perforating system connection, to there being the stratum of the high and low-permeability of end water, test request precision inapplicable, therefore in the urgent need to a kind of perforation on various stratum and novel device of test integration of operation of adapting to.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic jet perforation and APR testing combination operation device, this connection is made device and is once descended well operations just can complete whole perforating test process, and can reduce pollution and the destruction to stratum, and in the time that perforation is carried out in the stratum of containing end water, can reduce to a certain extent the possibility of end string waterborne.
To achieve these goals, the utility model provides a kind of hydraulic jet perforation and APR testing combination operation device, it comprises APR test string string and hydraulic jet perforation tubing string string, and described APR test string string one end is connected with drilling well drilling bar or oil pipe and the other end and described hydraulic jet perforation tubing string series winding connects.
Preferably, described hydraulic jet perforation tubing string string comprises the abrasive perforating body, one way valve, bottom packer, screen casing and the starting taper that connect successively, described abrasive perforating body is communicated with the reverse port of described one way valve, described bottom packer is communicated with the forward port of described one way valve, described abrasive perforating body and described APR test string series winding connect, and described abrasive perforating body is provided with multiple nozzles.
Preferably, be evenly equipped with six described nozzles on described abrasive perforating body, the nozzle diameter of described nozzle is 5-7mm.
Preferably, described one way valve comprises spherical valve core and has the ball seat of ladder inwall, described spherical valve core can be arranged in described ball seat, the diameter of described spherical valve core is greater than the ball seat internal diameter of described one way valve forward port, and the diameter of described spherical valve core is less than the ball seat internal diameter at described one way valve reverse port place and the internal diameter of the described part of making described one way valve reverse port one side of being positioned at of device.
Preferably, described hydraulic jet perforation tubing string string also comprises the first centralizer and the second centralizer, and described the first centralizer is located between described abrasive perforating body and described APR test string string, and described the second centralizer is located on described screen casing.
Preferably, described APR test string string comprise successively connect have ball RD circulating valve, LPR-N testing valve, hydraulic pressure bypass valve, bumper jar and a RTTS packer, described RTTS packer and described hydraulic jet perforation tubing string series winding connects, described in have ball RD circulating valve to be connected with described drilling well drilling bar or oil pipe.
Preferably, described APR test string string also comprises the circulating valve without ball RD, describedly be connected with described drilling well drilling bar or oil pipe without ball RD circulating valve, describedly between ball RD circulating valve, be provided with the first variable buckle joint, radioactivity joint, expansion joint and the second variable buckle joint that are connected successively without ball RD circulating valve with having.
Preferably, described APR test string string also comprises relief valve, described relief valve one end with described in have ball RD circulating valve to be connected, and the other end is connected with described LPR-N testing valve.
Preferably, described APR test string string also comprises manometer, and this manometer is connected between described hydraulic pressure bypass valve and described bumper jar.
Preferably, between described bumper jar and described RTTS packer, be provided with the 3rd variable buckle joint, applied pressure by annulus device pressure-transmitting joint, the 4th variable buckle joint and the safety joint that are connected successively.
In technique scheme, hydraulic jet perforation tubing string string and APR test string string are connected to form to connection and make device, give full play to both advantages separately, first utilize hydraulic jet perforation tubing string string that stratum is penetrated out, create the fluid flow passages of linking up stratum and test string, avoided pollution and the destruction of shell perforation to stratum.And, in the time that perforation is carried out in the stratum of containing end water, can reduce to a certain extent the possibility of end string waterborne.Compared with conventional artillery perforating technology, hydraulic jet perforation has without compaction band, avoids the advantages such as secondary pollution, utilize hydraulic jet perforation tubing string string to connect with APR test string and do to reduce the impact of perforating job on prime stratum data, be very suitable for test jobs hypotonic and offshore oil gas reservoir that contain end water.
Other feature and advantage of the present utility model are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the hydraulic jet perforation of the utility model detailed description of the invention and the structural representation of APR testing combination operation device;
Fig. 2 is the partial enlarged drawing of the hydraulic jet perforation state at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing of the APR test mode at A place in Fig. 1;
Fig. 4 a, Fig. 4 b and Fig. 4 c are the operation charts that adopts hydraulic jet perforation of carrying out as device of the present utility model and APR testing combination operation technique (not carrying out fracturing work);
Fig. 5 a, Fig. 5 b, Fig. 5 c and Fig. 5 d are the operation charts that adopts hydraulic jet perforation of carrying out as device of the present utility model and APR testing combination operation technique (carrying out fracturing work);
Fig. 6 is the flow chart that adopts hydraulic jet perforation of carrying out as device of the present utility model and APR testing combination operation technique.
Description of reference numerals
In figure, 1: head flows; 2: well head kelly-up; 3: drilling well drilling bar or oil pipe; 4: without ball RD circulating valve; 5: the first variable buckle joints; 6: radioactivity joint; 7: expansion joint; 8: the second variable buckle joints; 9: have ball RD circulating valve; 10: relief valve; 11:LPR-N testing valve; 12: hydraulic pressure bypass valve; 13: manometer; 14: bumper jar; 15: the three variable buckle joints; 16: applied pressure by annulus device pressure-transmitting joint; 17: the four variable buckle joints; 18: safety joint; 19:RTTS packer top; 20:RTTS packer bottom; 21: the first centralizers; 22: hydraulic jet perforation body; 23: one way valve; 24: bottom packer; 25: the second centralizers; 26: screen casing; 27: starting taper; 28: spherical valve core; 29: containing sand perforating fluid; 30: nozzle; 31: formation fluid; 32:RTTS packer; 33: cased well.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.Should be understood that, detailed description of the invention described herein only, for description and interpretation the utility model, is not limited to the utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
Hydraulic jet perforation refers to sneaks into some abrasive particles (quartz sand) in water jet, abrasive particle quality is large and sharp, can cutting metal and rock under injection drop 20～30MPa, can under different completion mode, realize and spraying and generation spindle-type perforation tunnel, penetration depth can reach 0.7～1.0m, and opening diameter is about 20mm.
As shown in Figure 1, hydraulic jet perforation of the present utility model and APR testing combination operation device, it comprises APR test string string and hydraulic jet perforation tubing string string, and APR test string string one end is connected with drilling well drilling bar or oil pipe 3 and the other end and hydraulic jet perforation tubing string series winding connects.Wherein, the top of drilling well drilling bar or oil pipe 3 is provided with mobile 1 and well head kelly-up 2, and tubing string string is to be in series successively by multiple tubing strings cylindraceous.Hydraulic jet perforation tubing string string and APR test string string are connected to form to connection and make device, give full play to both advantages separately, first utilize hydraulic jet perforation tubing string string that stratum is penetrated out, create the fluid flow passages of linking up stratum and test string, avoided pollution and the destruction of shell perforation to stratum.And, in the time that perforation is carried out in the stratum of containing end water, can reduce to a certain extent the possibility of end string waterborne.Compared with conventional artillery perforating technology, hydraulic jet perforation has without compaction band, avoids the advantages such as secondary pollution, utilize hydraulic jet perforation tubing string string to connect with APR test string and do to reduce the impact of perforating job on prime stratum data, be very suitable for test jobs hypotonic and offshore oil gas reservoir that contain end water.
Particularly, as shown in Figure 1, hydraulic jet perforation tubing string string comprises the abrasive perforating body 22, one way valve 23, bottom packer 24, screen casing 26 and the starting taper 27 that connect successively from top to bottom, abrasive perforating body 22 is communicated with the reverse port of one way valve 23, bottom packer 24 is communicated with the forward port of one way valve 23, abrasive perforating body 22 connects with APR test string series winding, and abrasive perforating body 22 is provided with multiple nozzles 30.Connection herein refers to that fluid is communicated with.In the circle wall of abrasive perforating body 22, be evenly equipped with six nozzles 30, the nozzle diameter of nozzle 30 is 5-7mm, and six nozzles 30 are distributed as upper and lower two row, and stagger mutually in the position of upper and lower two row nozzles 30.Wherein, abrasive perforating body 22, in the time of operation, ejects from nozzle 30 containing sand perforating fluid 29, penetrates out pretest stratum, creates the fluid flow passages of linking up pretest stratum and APR test string string.In the time carrying out hydraulic jet perforation and APR test, one way valve 23 is for the tubing string of closed check valve 23 belows, such as screen casing 26 etc.Bottom packer 24 can be by the mode of machinery or hydraulic pressure, carrys out packer pipe well 33 and joins the annular space of doing between device.In the time of well-flushing, in opened condition, the flushing fluid of doing in device with connection in annular space circulates by screen casing 26 one way valve 23.In the time that connection is gone into the well as device, starting taper 27 plays guiding and protection joins the effect of making device.
The process that packer 24 machineries in bottom is set to (i.e. sealing) cased well 33 at this is elaborated.When bottom packer 24 is gone into the well, friction pad is close to cased well 33 inwalls all the time, and lug is that packing element is in free state in the lower end of the short groove of transposition groove.In the time that bottom packer arrives predetermined well depth 24 times, first upper lifting pipe post, makes lug arrive the upper position of short groove, and left-handed tubing string 1～3 circle, in keeping moment of torsion, transfers tubing string and add compression load.Forward elongated slot because dextrorotation tubing string makes lug to from short groove, when pressurization, lower spindle moves down, and slips cone is descending opens slips, the corner angle of the alloy block on slips embed casing wall, thereafter packing element pressurized and expanding, until two packing elements are all close on cased well 33 inwalls, forms sealing.If squeeze operation, when the packing element of bottom packer 24 is greater than the above liquid column hydrostatic pressure of packing element with downforce, bottom pressure will pass to hydraulic anchor by volume tube, hydraulic anchor slips is opened, alloy slip insert on slips is directed upwardly, thereby bottom packer 24 is set securely on cased well 33 inwalls.If trip out bottom packer 24, only need apply tensile load, first open circulating valve, make the upper and lower pressure balance of packing element, hydraulic anchor slips automatic drawing back, on continuing again, carry, packing element is laid down pressure and is recovered original free state, and now lug is got back in short groove automatically from elongated slot along inclined-plane, and cone is up, slips is regained thereupon, just bottom packer 24 can be tripped out to pit shaft.
Further, as shown in Figures 2 and 3, one way valve 23 comprises spherical valve core 28 and has the ball seat of ladder inwall, spherical valve core 28 can be arranged in ball seat, the diameter of spherical valve core 28 is greater than the ball seat internal diameter of one way valve 23 forward ports, and the diameter of spherical valve core 28 is less than the ball seat internal diameter at one way valve 23 reverse port places and connection and does the internal diameter of the part that is positioned at one way valve 23 reverse port one sides of device.In the time of well-flushing, spherical valve core 28 does not drop into connection and does in device, carrying out before hydraulic jet perforation, spherical valve core 28 is dropped into from drilling well drilling bar or oil pipe 3 tops, and arrive in ball seat, realizes the sealing of the tubing string to one way valve 23 belows.
Meanwhile, hydraulic jet perforation tubing string string also comprises that the first centralizer 21 and the second centralizer 25, the first centralizers 21 are located between abrasive perforating body 22 and APR test string string, and the second centralizer 25 is located on screen casing 26.Wherein, centralizer belongs to cementing tool, and it manufactures simple, and structure is attractive in appearance, firm and durable, and uprighting force is large, can ensure well drilling and cementing quality.
On the other hand, as shown in Figure 1, APR test string string comprise from top to bottom connect successively have ball RD circulating valve 9, LPR-N testing valve 11, hydraulic pressure bypass valve 12, bumper jar 14 and a RTTS packer 32, RTTS packer 32 connects with hydraulic jet perforation tubing string series winding, has ball RD circulating valve 9 to be connected with drilling well drilling bar or oil pipe 3.
Wherein, LPR-N testing valve 11 is whole main valves of making device, its nitrogen of substituting the bad for the good in advance on ground, and make ball valve be in fastening position.Connection is gone into the well in process as device, and LPR-N testing valve 11 is under compensating piston effect, and ball valve is in the closed position all the time.After packer setting, add predetermined pressure to annular space, pressure passes to power mandrel, and it is moved down, and drives power arm that ball valve is rotated, and realization drives a well.Test rear release annular pressure, under nitrogen pressure effect, on power mandrel, the moving power arm of shipper pole, cuts out ball valve.Operation so repeatedly, thus realize multiple switching well.During hydraulic jet perforation and pressure break, the LPR-N testing valve 11 that connection is done in device will be locked in opening, locking means is to open LPR-N testing valve 11 by the pressurization of annular space slush pump, and keeps pressure in 2500psi left and right, just can make for a long time LPR-N testing valve 11 be locked in opening.
RD circulating valve is divided into has ball RD circulating valve and without ball RD circulating valve.RD circulating valve is a kind of for the safe circulating valve of full-bore by annular pressure operation in cased well 33, this instrument is mainly used in formation testing while finishing, packing oil-gas Layer and carry out cycle operation, simultaneously have can one section of formation fluid sample of trap between the ball valve of ball RD circulating valve and the ball valve of LPR-N testing valve.RD circulating valve, as safety valve, can operate this instrument in arbitrary moment of test period, with shutoff test string string, and uses as a shut-in valve.And be to replace ball valve part with a special joint without ball RD circulating valve, form a single RD circulating valve.
The utility model has mainly adopted ball RD circulating valve 9 to realize closing well operation, before going into the well as device, connection first in advance ball is contained in ball RD circulating valve 9, can change and control the switch that has ball RD circulating valve 9 by the pressure of oil pipe and annular space, pressure is increased to certain value (3500psi left and right), there is ball RD circulating valve 9 just can open, pressure decreased, has ball RD circulating valve 9 to close.
Hydraulic pressure bypass valve 12 is full-bore hydraulic circulation valve, and it can be connected to LPR-N testing valve more than 11 or LPR-N testing valve below 11.When being connected to LPR-N testing valve below 11 time, hydraulic pressure bypass valve 12, as the top bypass of RTTS packer 32, in the time that intubate is inserted production packer, helps to discharge the pressure that LPR-N testing valve 11 raises below; When hydraulic pressure bypass valve 12 is connected to LPR-N testing valve 11 when above, can after test, use as circulating valve.
Bumper jar 14 is as removing one of effective tool of lock of tool drilling, for solving at drillng operation, the be hampered problem of bit freezing of drilling tool occurs.In the time hitting operation on needs bumper jar 14, apply enough pretensions on ground, retaining mechanism release, discharge drilling well drilling bar energy storage, the jar block of bumper jar 14 clashes into anvil block, and the tensile strain being stored in drilling well drilling bar can be transformed into rapidly kinetic energy, and is delivered to stuck point with the form of stress wave, make stuck point place produce the tension force considerably beyond pretension, make the upwards slippage of card drilling well drilling bar.Through repeatedly jarring, blocked drilling well drilling bar and departed from stuck point region.Bumper jar hit for 14 times operation with on hit class of jobs seemingly.
Process and the bottom packer 24 of RTTS packer 32 packer pipe wells 33 are similar, no longer repeat at this.
Further, APR test string string also comprises without ball RD circulating valve 4, be connected with drilling well drilling bar or oil pipe 3 without ball RD circulating valve 4, between ball RD circulating valve 9, be provided with the first variable buckle joint 5, radioactivity joint 6, expansion joint 7 and the second variable buckle joint 8 that are connected successively without ball RD circulating valve 4 with having.
Wherein, be service valve without ball RD circulating valve 4, in the time having ball RD circulating valve 9 to go wrong, can improve annular pressure, in the time that pressure exceedes certain value, without the glass plate being equipped with on ball RD circulating valve 4 by fragmentation, thereby ensure in oil pipe and the connection of annular space.Without ball RD circulating valve 4 and there is the spacing between ball RD circulating valve 9 to be designed to 300-500m, prevent that connection from making in device sand setting and can not set up kill-job circulation.
Variable buckle joint is the joint that connects different tube diameters tubing string, uses multiple variable buckle joints to realize the connection of different size tubing string in the utility model.As used the first variable buckle joint 5, the second variable buckle joint 8 etc. in present embodiment.
Radioactivity joint 6 is built-in radioisotopic joint, and it is dark that it is used for carrying out electrical measurement school, proofreaies and correct and joins the degree of depth of making device, makes abrasive perforating body 22 just carry out perforating job to pretest stratum.Spacing between general radioactivity joint 6 is 30-50m, prevents that spacing is too near and obscures isotopic position.
Expansion joint 7 is compensation of pipeline joints.During due to pressure break, tubing string string is estimated to shrink about 2-3m, adopts three expansion joints 7 and is inverted and goes into the well, and can reduce the risk of card sand.Expansion joint 7, for adjusting the tubing string string degree of depth and compression distance, for normally setting of RTTS packer 32 and bottom packer 24, provides setting position accurately.
In addition, APR test string string also comprises relief valve 10, and relief valve 10 one end are connected with there being ball RD circulating valve 9, and the other end is connected with LPR-N testing valve 11.According to the operating pressure relief valve 10 energy automatic open and close of system, make equipment safety for the protection of connection.In the time that connection is made device internal pressure and is exceeded relief valve 10 setting pressure, automatically open pressure release, ensure that connection does that in device, pressure medium is under setting pressure, protection e-quipment and pipe, prevents accident.
APR test string string also comprises manometer 13, and this manometer 13 is connected between hydraulic pressure bypass valve 12 and bumper jar 14.Manometer 13 has special groove at the outer wall of holder cylinder, once goes into the well and can place pressure gauge and two moisture recorders that two diameters are less than 32mm simultaneously, and the phase place between pressure gauge and moisture recorder is at a distance of 90 °.In holder cylinder, be full-bore, be conducive to carry out other operation.Wherein, pressure gauge range is 16kpsi, and moisture recorder range is 176 DEG C, carries out respectively the typing of pressure and temperature data in pressure gauge and moisture recorder lower going-into-well according to pre-set sample frequency, for geological reservoir analysis provides the firsthand information.
Further, between bumper jar 14 and RTTS packer 32, be provided with the 3rd variable buckle joint 15, applied pressure by annulus device pressure-transmitting joint 16, the 4th variable buckle joint 17 and the safety joint 18 that are connected successively.Wherein, applied pressure by annulus device pressure-transmitting joint 16 is for transmitting the pressure of tubing string string.Safety joint 18 is connected on RTTS packer 32, in the time that RTTS packer 32 is blocked, tubing string string is applied to pulling force, the tension force cover of safety joint 18 is disconnected, then on carrying out, put and put and rotatablely move, safety joint 18 is disconnected, and can trip out the more than 18 tubing string string of safety joint.On the packer 24 of bottom, be provided with equally safety joint.
Below hydraulic jet perforation and APR testing combination operation technique are elaborated, this combination operation process completes by the hydraulic jet perforation and the APR testing combination operation device that double as APR testing arrangement.
Fig. 6 is the flow chart of hydraulic jet perforation of the present utility model and APR testing combination operation technique.As shown in Figure 6, combination operation process comprises the following steps:
S1, by hydraulic jet perforation operation, pretest stratum is penetrated out;
S2, packing pretest stratum, sucked the formation fluid on pretest stratum 31 APR testing arrangement (being hydraulic jet perforation and APR testing combination operation device) and test by APR test technology.
Wherein, packing pretest stratum refers to and sets the packer that is positioned at top and bottom, pretest stratum, and in the utility model, packer specifically refers to RTTS packer 32 and bottom packer 24.
Particularly, when not needing to carry out other less important works such as pressure break after hydraulic jet perforation operation, when formation fluid 31 just can flow out smoothly, the operation chart of combination operation process is as shown in Fig. 4 a, Fig. 4 b and Fig. 4 c.Now, step S1 comprises following sub-step:
S101, connection is transferred in cased well 33 as device, and made abrasive perforating body 22 alignment prediction examination stratum;
In S102, Xiang Lianzuo device, drop into spherical valve core 28(referring to Fig. 4 a), make spherical valve core 28 enter the ball seat interior (referring to Fig. 4 b, play the effect of sealed lower portion tubing string, make fluid can not flow to bottom tubing string by one way valve 23) of one way valve 23;
S103, make LPR-N testing valve 11 be locked in opening, in Xiang Lianzuo device, pump into containing sand perforating fluid 29 and spray containing sand perforating fluid 29 with the nozzle 30 by abrasive perforating body 22, thereby hydraulic jet perforation operation is carried out in pretest stratum, and so that pretest stratum is penetrated out, (this sub-step referring to Fig. 4 b).
Further, step S2 comprises following sub-step:
S201, set RTTS packer 32 and bottom packer 24, do to make the formation fluid 31 on pretest stratum to enter connection by the nozzle of abrasive perforating body 22 30 that in device, (this sub-step referring to Fig. 4 c);
S202, make the formation fluid 31 on pretest stratum enter in hydraulic jet perforation tubing string string and arrive APR test string string by nozzle 30 by opening and closing LPR-N testing valve 11, utilize the metering section (metering cover, metering urceolus etc.) of LPR-N testing valve 11 parameter of this formation fluid 31 to be tested to (this sub-step referring to Fig. 4 c);
S203, iteron step S202, thus test obtains the parameter of many group formation fluids 31;
S204, deblocking RTTS packer 32 and bottom packer 24.
After this pretest formation testing finishes, above carry connection and make device to next formation testing and repeat above-mentioned sub-step S103 to S204 and proceed hydraulic jet perforation and APR testing combination operation technique.
In addition, when thereby the permeability on pretest stratum is too low while causing formation fluid 31 to flow out, this connection does that device can also (fracturing work should be noted pressure break scale carrying out carrying out small scale fracturing operation after hydraulic jet perforation operation, otherwise can affect test result), finally carry out APR test jobs, the operation chart of combination operation process is as shown in Fig. 5 a, Fig. 5 b, Fig. 5 c and Fig. 5 d again.Now, step S1 comprises following sub-step:
S101, connection is transferred in cased well 33 as device, and made abrasive perforating body 22 alignment prediction examination stratum;
In S102, Xiang Lianzuo device, drop into spherical valve core 28(referring to Fig. 4 a), make spherical valve core 28 enter the ball seat interior (referring to Fig. 4 b, play the effect of sealed lower portion tubing string, make fluid can not flow to bottom tubing string by one way valve 23) of one way valve 23;
S103, make LPR-N testing valve 11 be locked in opening, in Xiang Lianzuo device, pump into containing sand perforating fluid 29 and spray containing sand perforating fluid 29 with the nozzle 30 by abrasive perforating body 22, thereby hydraulic jet perforation operation is carried out in pretest stratum, and so that pretest stratum is penetrated out, (this sub-step referring to Fig. 5 b).
Further, step S2 comprises following sub-step:
S201, set bottom packer 24, close the gate of cased well 33, in Xiang Lianzuo device and this connection do to pump into respectively pad of frac in the annular space between device and cased well 33 (this sub-step referring to Fig. 5 c);
After S202, pad of frac have pumped into, pump into the fracturing fluid that contains proppant in Xiang Lianzuo device, to pumping into not the annular space fluid infusion as pressure break containing the base fluid of proppant in annular space, so that fracturing work is carried out in pretest stratum, (this sub-step referring to Fig. 5 c);
S203, set RTTS packer 32, make device (this sub-step referring to Fig. 5 d) to make the formation fluid 31 on pretest stratum to enter connection by the nozzle of abrasive perforating body 22 30;
S204, make the formation fluid 31 on pretest stratum be entered in hydraulic jet perforation tubing string string and be arrived APR test string string by nozzle 30 by opening and closing LPR-N testing valve 11, (this sub-step referring to Fig. 5 d) to utilize metering section (metering cover, the metering urceolus etc.) test of LPR-N testing valve 11 to obtain the parameter of this formation fluid 31;
S205, iteron step S204, thus test obtains the parameter of many group formation fluids 31;
S206, deblocking RTTS packer 32 and bottom packer 24.
Wherein, proppant is 20-40 object haydite.After this pretest formation testing finishes, above carry connection and make device to next formation testing and repeat above-mentioned sub-step S103 to S206 and proceed hydraulic jet perforation and APR testing combination operation technique.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a hydraulic jet perforation and APR testing combination operation device, it is characterized in that, describedly comprise APR test string string and hydraulic jet perforation tubing string string as device, described APR test string string one end is connected with drilling well drilling bar or oil pipe (3) and the other end and described hydraulic jet perforation tubing string series winding connect.
2. hydraulic jet perforation according to claim 1 and APR testing combination operation device, it is characterized in that, described hydraulic jet perforation tubing string string comprises the abrasive perforating body (22) connecting successively, one way valve (23), bottom packer (24), screen casing (26) and starting taper (27), described abrasive perforating body (22) is communicated with the reverse port of described one way valve (23), described bottom packer (24) is communicated with the forward port of described one way valve (23), described abrasive perforating body (22) connects with described APR test string series winding, described abrasive perforating body (22) is provided with multiple nozzles (30).
3. hydraulic jet perforation according to claim 2 and APR testing combination operation device, is characterized in that, is evenly equipped with six described nozzles (30) on described abrasive perforating body (22), and the nozzle diameter of described nozzle (30) is 5-7mm.
4. hydraulic jet perforation according to claim 2 and APR testing combination operation device, it is characterized in that, described one way valve (23) comprises spherical valve core (28) and has the ball seat of ladder inwall, described spherical valve core (28) can be arranged in described ball seat, the diameter of described spherical valve core (28) is greater than the ball seat internal diameter of described one way valve (23) forward port, and the diameter of described spherical valve core (28) is less than the ball seat internal diameter at described one way valve (23) reverse port place and the internal diameter of the described part of making the described one way valve of being positioned at of device (23) reverse port one side.
5. hydraulic jet perforation according to claim 2 and APR testing combination operation device, it is characterized in that, described hydraulic jet perforation tubing string string also comprises the first centralizer (21) and the second centralizer (25), described the first centralizer (21) is located between described abrasive perforating body (22) and described APR test string string, and described the second centralizer (25) is located on described screen casing (26).
6. according to the hydraulic jet perforation described in claim 1-5 any one and APR testing combination operation device, it is characterized in that, described APR test string string comprise successively connect have ball RD circulating valve (9), LPR-N testing valve (11), hydraulic pressure bypass valve (12), bumper jar (14) and a RTTS packer (32), described RTTS packer (32) connects with described hydraulic jet perforation tubing string series winding, described in have ball RD circulating valve (9) to be connected with described drilling well drilling bar or oil pipe (3).
7. hydraulic jet perforation according to claim 6 and APR testing combination operation device, it is characterized in that, described APR test string string also comprises without ball RD circulating valve (4), describedly be connected with described drilling well drilling bar or oil pipe (3) without ball RD circulating valve (4), describedly between ball RD circulating valve (9), be provided with the first variable buckle joint (5), radioactivity joint (6), expansion joint (7) and the second variable buckle joint (8) that are connected successively without ball RD circulating valve (4) with having.
8. hydraulic jet perforation according to claim 6 and APR testing combination operation device, it is characterized in that, described APR test string string also comprises relief valve (10), described relief valve (10) one end with described in have ball RD circulating valve (9) to be connected, and the other end is connected with described LPR-N testing valve (11).
9. hydraulic jet perforation according to claim 6 and APR testing combination operation device, it is characterized in that, described APR test string string also comprises manometer (13), and this manometer (13) is connected between described hydraulic pressure bypass valve (12) and described bumper jar (14).
10. hydraulic jet perforation according to claim 6 and APR testing combination operation device, it is characterized in that, between described bumper jar (14) and described RTTS packer (32), be provided with the 3rd variable buckle joint (15), applied pressure by annulus device pressure-transmitting joint (16), the 4th variable buckle joint (17) and the safety joint (18) that are connected successively.
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| CN201420084360.XU CN203835351U (en) | 2014-02-26 | 2014-02-26 | Hydraulic power sand blasting perforation and APR testing combined operation device |
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| CN201420084360.XU CN203835351U (en) | 2014-02-26 | 2014-02-26 | Hydraulic power sand blasting perforation and APR testing combined operation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071388A (en) * | 2016-11-17 | 2018-05-25 | 中国石油天然气股份有限公司 | Stratum testing system and method |
| CN109630716A (en) * | 2018-12-11 | 2019-04-16 | 中国石油天然气集团有限公司 | A kind of high-pressure water jet short-circuit device |
| CN110617057A (en) * | 2019-09-17 | 2019-12-27 | 中海艾普油气测试（天津）有限公司 | Full-pipe type underground testing pipe column and testing method thereof |
| CN112647904A (en) * | 2020-12-24 | 2021-04-13 | 中国石油大学(华东) | Horizontal underground phase sand blasting perforation blockage removing tool |
| CN116084893A (en) * | 2023-04-12 | 2023-05-09 | 山东成林石油工程技术有限公司 | Oil-gas underground hydraulic perforation and liquid production integrated device and use method |
| CN117514151A (en) * | 2024-01-08 | 2024-02-06 | 山西冶金岩土工程勘察有限公司 | Magnetic positioning method for resisting magnetic interference and drilling device |
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2014
- 2014-02-26 CN CN201420084360.XU patent/CN203835351U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071388A (en) * | 2016-11-17 | 2018-05-25 | 中国石油天然气股份有限公司 | Stratum testing system and method |
| CN109630716A (en) * | 2018-12-11 | 2019-04-16 | 中国石油天然气集团有限公司 | A kind of high-pressure water jet short-circuit device |
| CN110617057A (en) * | 2019-09-17 | 2019-12-27 | 中海艾普油气测试（天津）有限公司 | Full-pipe type underground testing pipe column and testing method thereof |
| CN112647904A (en) * | 2020-12-24 | 2021-04-13 | 中国石油大学(华东) | Horizontal underground phase sand blasting perforation blockage removing tool |
| CN116084893A (en) * | 2023-04-12 | 2023-05-09 | 山东成林石油工程技术有限公司 | Oil-gas underground hydraulic perforation and liquid production integrated device and use method |
| CN117514151A (en) * | 2024-01-08 | 2024-02-06 | 山西冶金岩土工程勘察有限公司 | Magnetic positioning method for resisting magnetic interference and drilling device |
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Effective date of registration: 20170221 Address after: 200335 Changning District, Tong Tong Road, No. 388, CNOOC building, Shanghai Patentee after: Shanghai Branch of China National Offshore Oil Corporation Patentee after: CNOOC Energy Technology Co., Ltd. Patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing City, Dongcheng District Chaoyangmen No. 25 North Street CNOOC building Patentee before: China National Offshore Oil Corporation Patentee before: Shanghai Branch of China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. Patentee before: China University of Petroleum (Beijing) |
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