摘要：【中文】本实用新型是石油工业使用的小井眼完井管柱液压扶正器，尤其适用于侧钻井，能够提高小井眼井的固井质量。本扶正器包括中心管，中心管和支撑套的管体上分别设有进液孔一和进液孔二，液缸套设有泄压孔；上接头、止退套、中心管、支撑套和下接头依次连接，外面安装上活塞套、液缸套和下活塞套，在止退套、液缸套和下活塞套中安装密封圈，能够形成两级液压装置，铰链连接在下活塞套与下接头之间。完井管柱由本扶正器扶正，能够在小井眼中居中，钻井液能够被驱替干净；固井时水泥浆与地层能够充分接触，不会与水泥浆形成混浆带，能有效提高固井第二界面的胶结质量。设有双级液压装置，提高了管柱扶正效果，能够在大斜度井和水平井中应用。 【EN】The utility model discloses a slim hole well completion tubular column hydraulic pressure centralizer that oil industry used is particularly useful for the sidetracking well, can improve the well cementation quality of slim hole well. The centralizer comprises a central pipe, wherein a first liquid inlet hole and a second liquid inlet hole are respectively formed in the central pipe and a pipe body of a support sleeve, and a pressure relief hole is sleeved on a hydraulic cylinder; the upper joint, the stopping sleeve, the central pipe, the supporting sleeve and the lower joint are sequentially connected, the piston sleeve, the hydraulic cylinder sleeve and the lower piston sleeve are installed outside the upper joint, the hydraulic cylinder sleeve and the lower piston sleeve are installed in the stopping sleeve, the hydraulic cylinder sleeve and the lower piston sleeve, sealing rings are installed in the stopping sleeve, the hydraulic cylinder sleeve and the lower piston sleeve, a two-stage hydraulic device can be formed, and the hinge is connected between the lower piston sleeve and the lower joint. The well completion pipe string is centered by the centering device, can be centered in a slim hole, and drilling fluid can be completely displaced; when the well is fixed, the cement slurry can be fully contacted with the stratum, a slurry mixing zone can not be formed by the cement slurry, and the cementing quality of a second interface of the well is effectively improved. The double-stage hydraulic device is arranged, so that the centralizing effect of the tubular column is improved, and the double-stage hydraulic device can be applied to highly deviated wells and horizontal wells.

摘要：【中文】本实用新型是一种柔性筛管和防砂完井管柱，适用于石油工业大曲率井完井工艺，可用于大曲率井眼的裸眼防砂完井施工。本筛管包括接箍和筛管，筛管的管体上设有筛缝或筛孔、两端设有外螺纹，球头连接管的管体上也设有筛缝或筛孔、管体两端是球头，接箍的一端是球头连接端、另一端是螺纹连接端；球头连接管两端的球头分别与接箍的球头连接端连接，接箍的螺纹连接端与筛管螺纹连接。防砂完井管柱包括尾管悬挂器和引鞋，由柔性筛管串连形成的柔性筛管串连接在尾管悬挂器与引鞋之间，下至设计井深后，利用防砂完井管柱上部的尾管悬挂器悬挂于原井的套管上，实现裸眼防砂完井，能顺利下入大曲率的小井眼中。 【EN】The utility model relates to a flexible screen pipe and sand control well completion tubular column is applicable to the well completion technology of petroleum industry high curvature well, can be used to the bore hole sand control well completion construction of high curvature well. The sieve tube comprises a coupling and a sieve tube, wherein a tube body of the sieve tube is provided with sieve slits or sieve holes, two ends of the sieve tube are provided with external threads, the tube body of the ball head connecting tube is also provided with the sieve slits or the sieve holes, two ends of the tube body are ball heads, one end of the coupling is a ball head connecting end, and the other end of the coupling is a thread connecting end; the ball heads at the two ends of the ball head connecting pipe are respectively connected with the ball head connecting end of the coupling, and the threaded connecting end of the coupling is in threaded connection with the sieve pipe. The sand control completion pipe column comprises a tail pipe hanger and a guide shoe, wherein the flexible screen pipe string formed by connecting flexible screen pipes in series is connected between the tail pipe hanger and the guide shoe, and is hung on a sleeve of an original well by using the tail pipe hanger on the upper part of the sand control completion pipe column after the well is lowered to a designed well depth, so that open hole sand control completion is realized, and the sand control completion pipe column can be smoothly lowered into a small well with large curvature.

摘要：【中文】本实用新型公开了一种同心式油井井筒杂质沉降工具，包括外管、沉砂管，所述沉砂管位于外管内部，且外管与沉砂管之间形成环形空间，还包括转换接头，所述转换接头上端为堵头端，下端为进液口，在转换接头圆周侧壁开设径向贯通的连通孔，所述连通孔使进液口与所述环形空间相互连通，所述转换接头上端的堵头端与沉砂管下端连接，使沉砂管下端口为封堵状态，进而使沉砂管构成一个上端开口，下端封堵的沉砂腔室结构。本实用新型能够放置于采油管柱中井下工具的上方，过流通道大、具有沉砂功能，在井下管柱中可多级使用，实现多级沉砂，避免砂卡砂埋导致的作业施工。 【EN】The utility model discloses a concentric type oil well pit shaft impurity subsides instrument, including outer tube, sand setting pipe, the sand setting pipe is located inside the outer tube, and forms annular space between outer tube and the sand setting pipe, still includes the crossover sub, the crossover sub upper end is the blanking end, and the lower extreme is the inlet, sets up the intercommunicating pore that radially link up at crossover sub circumference lateral wall, the intercommunicating pore make the inlet with annular space communicates each other, the blanking end and the sand setting pipe lower extreme of crossover sub upper end are connected, make the sand setting pipe under the port be the shutoff state, and then make the sand setting pipe constitute an upper end opening, the sand setting cavity structure of lower extreme shutoff. The utility model discloses can place in the top of downhole tool in the oil production pipe column, overflow the passageway big, have the sand setting function, but multistage use in the tubular column in the pit realizes multistage sand setting, avoids the operation construction that sand card sand buries and leads to.

摘要：【中文】本实用新型公开了一种防砂注汽密封插头，包括滑动密封插管，还包括对扣接头、连接套、密封圈，所述对扣接头沿自身中轴线自上而下依次开设相贯通的上中心通道和下中心通道，下中心通道上端形成环台面，其中上中心通道内径与滑动密封插管的外径相一致，所述滑动密封插管插在对扣接头内，且滑动密封插管的长度大于对扣接头的长度，所述滑动密封插管外壁与对扣接头下中心通道内壁之间形成环空，该环空内套装有连接套，所述滑动密封插管外壁套装密封圈。本实用新型满足密封材料在入井或防砂过程中无破损，保证了密封的长期有效，避免了大量蒸汽渗入注汽管柱和套管环空，使大量热量在进入油层之前无谓消耗，导致注汽效果差的问题。 【EN】The utility model discloses a vapour sealing plug is annotated to sand control, including the sliding seal intubate, still include cross-lock joint, adapter sleeve, sealing washer, cross-lock joint sets gradually the last center channel and the lower center channel that link up mutually along self axis top-down, and lower center channel upper end forms the ring face, wherein goes up the center channel internal diameter and is unanimous with the external diameter of sliding seal intubate, the sliding seal intubate is inserted in cross-lock joint, and the length of sliding seal intubate is greater than cross-lock joint's length, form the annular space under sliding seal intubate outer wall and the cross-lock joint between the center channel inner wall, this annular space endotheca is equipped with the adapter sleeve, sliding seal intubate outer wall suit sealing washer. The utility model discloses satisfy sealing material and do not have the damage at well entry or sand control in-process, guaranteed that sealed is effective for a long time, avoided a large amount of steam infiltration steam injection tubular column and sleeve pipe annular space, make a large amount of heats meaningless consumption before getting into the oil reservoir, lead to annotating the poor problem of vapour effect.

摘要：【中文】本实用新型提供一种三层油井有杆泵采油采水回注管柱，包括有杆泵、封隔器、油管短节，还包括分流器，所述分流器开设两个互不连通的通道，分别为采水通道、注水通道，所述第一封隔器上端连接第一油管短节下端，第一油管短节上端连接有杆泵的大泵筒下端口，所述第一封隔器下端连接分流器上端，其中第一封隔器下端口均与分流器的采水通道上端口、注水通道上端口连通，所述分流器下端连接第二油管短节，第二油管短节上端口只与分流器的注水通道下端口连通，第二油管短节下端连接第二封隔器。本实用新型利用一套抽油系统实现油层、水层、回注层的同时控制，降低开采成本、提高井筒利用效率。 【EN】The utility model provides a three-layer oil well sucker rod pump oil recovery water production reinjection tubular column, including sucker rod pump, packer, oil pipe nipple joint, still include the shunt, two passageways that do not communicate each other are seted up to the shunt, are water production passageway, water injection channel respectively, first oil pipe nipple joint lower extreme is connected to first packer upper end, and port under the big pump barrel of first oil pipe nipple joint upper end connection rod pump, the shunt upper end is connected to first packer lower extreme, and wherein port all communicates with port, water injection channel upper port on the water production passageway of shunt under the first packer, second nipple joint oil pipe nipple joint is connected to the shunt lower extreme, and port only communicates under the water injection channel of shunt on the second oil pipe upper port, and the second packer is connected to second oil pipe nipple joint lower extreme. The utility model discloses utilize one set of oil pumping system to realize oil reservoir, water layer, the simultaneous control on reinjection layer, reduce the exploitation cost, improve pit shaft utilization efficiency.

摘要：【中文】本实用新型公开了一种压缩式封隔器胶筒接触应力试验装置，包括中心管、胶筒总成、套筒，所述中心管置于套筒内腔中心，所述胶筒总成套在中心管外壁，所述胶筒总成与套筒之间在非坐封状态下时形成环形空间，所述胶筒总成下端面连接活塞式加载机构，所述套筒外表面由上至下沿着轴向方向粘贴有至少一列高温应变片组。所述一列高温应变片组至少包括三个高温应变片，高温应变片互不接触，且对每个高温应变片进行编号。所述活塞式加载机构包括柱塞、外缸，所述外缸上端丝扣式连接套筒下端口，柱塞密封滑动于外缸内部，柱塞顶住胶筒总成下端面。本实用新型可为优化封隔器胶筒结构和性能参数提供可靠的试验依据。 【EN】The utility model discloses a compression packer packing element contact stress test device, including center tube, packing element assembly, sleeve inner chamber center is arranged in to the center tube, packing element assembly cover is at center tube outer wall, form annular space when the non-sits under the state between packing element assembly and the sleeve, end connection piston loading mechanism under the packing element assembly, the sleeve surface is pasted along axial direction from top to bottom and is had at least a high temperature foil gage group. The high-temperature strain gauge group at least comprises three high-temperature strain gauges, the high-temperature strain gauges are not in contact with each other, and each high-temperature strain gauge is numbered. The piston type loading mechanism comprises a plunger and an outer cylinder, the upper end of the outer cylinder is in thread buckle type and is connected with the lower port of the sleeve, the plunger slides in the outer cylinder in a sealing mode, and the plunger props against the lower end face of the rubber cylinder assembly. The utility model discloses can provide reliable experimental foundation for optimizing packer packing element structure and performance parameter.

摘要：【中文】本实用新型提供一种搅拌抽油装置，包括泵筒总成、柱塞总成，所述柱塞总成轴向运行在泵筒内，所述柱塞总成内部安装有进油阀、出油阀，其中出油阀位于进油阀的上方，所述进油阀安装在柱塞总成的下端口内部，所述进油阀下端连接搅拌装置。本实用新型对常规抽油泵结构进行改进，将泵的进油阀上移至柱塞下端，进油阀下端直接连接搅拌装置，形成了一种泵下搅拌混合的加药抽油技术。 【EN】The utility model provides a stirring oil pumping unit, including pump barrel assembly, plunger assembly axial operation is in the pump barrel, plunger assembly internally mounted has inlet valve, delivery valve, and wherein delivery valve is located the top of inlet valve, the inlet valve is installed in the lower port inside of plunger assembly, agitating unit is connected to the inlet valve lower extreme. The utility model discloses improve conventional oil-well pump structure, shift up the inlet valve of pump to the plunger lower extreme, inlet valve lower extreme lug connection agitating unit has formed the medicine oil pumping technique that adds that stirs under the pump and mix.

摘要：【中文】本实用新型提供一种联动式液压换层开关，包括轨道换向机构、活塞机构、外壳，所述活塞机构包括缸套、活塞、单向阀，所述缸套开设轴向贯通的缸套中心孔、轴向贯通的偏心轴向通道、径向贯通的缸套下径向孔，其中缸套下径向孔与缸套中心孔连通，同时缸套下径向孔与偏心轴向通道不连通，所述活塞密封式滑行于缸套中心孔内，所述活塞包括活塞上腔体和活塞下腔体，上述两腔体之间为封堵段，活塞上腔体的上端口连接单向阀，活塞上腔体开设上腔径向孔，所述缸套下端丝扣式连接轨道换向机构，所述活塞下腔体下端口与轨道换向机构的换向轨道体上端连接成一体式结构。实现了上下两层联动换层，满足了油气田开发中对分层不动管柱换层开采的需要。 【EN】The utility model provides a linkage type hydraulic layer-changing switch, which comprises a track reversing mechanism, a piston mechanism and a shell, the piston mechanism comprises a cylinder sleeve, a piston and a one-way valve, the cylinder sleeve is provided with a cylinder sleeve central hole which is axially communicated, an eccentric axial channel which is axially communicated and a cylinder sleeve lower radial hole which is radially communicated, wherein the lower radial hole of the cylinder sleeve is communicated with the central hole of the cylinder sleeve, and the lower radial hole of the cylinder sleeve is not communicated with the eccentric axial channel, the piston slides in the central hole of the cylinder sleeve in a sealing way, the piston comprises an upper piston cavity and a lower piston cavity, a blocking section is arranged between the two cavities, the upper port of the upper cavity of the piston is connected with a one-way valve, the upper cavity of the piston is provided with an upper cavity radial hole, the lower end of the cylinder sleeve is in threaded connection with the track reversing mechanism, and the lower port of the lower piston cavity is connected with the upper end of the reversing track body of the track reversing mechanism to form an integrated structure. The upper and lower layers of linkage layer changing are realized, and the requirement of layer changing mining of the layering immovable pipe column in oil and gas field development is met.

摘要：【中文】本实用新型公开了一种易套铣防砂扶正器，包括基管、弹簧、扶正片，所述扶正片至少设置三块，扶正片按照基管的轴线均角度分布在基管外围，所述弹簧一端与扶正片的径向内侧边固定连接，另一端与基管的外表面固定连接，所述扶正片径向外侧边至扶正片上侧边开设一个过渡上斜边，扶正片径向外侧边至扶正片下侧边开设一个过渡下斜边。所述扶正片上开设贯通的清砂圆孔。在套铣打捞时，扶正片可以回缩，从而套铣筒可以顺利通过扶正器。同时扶正片上开有圆孔，便于堆积在扶正片上的砂子清除，从而整体提升了管柱套铣打捞成功率，有效缩短了施工周期。 【EN】The utility model discloses an easy overlap milling sand control centralizer, include parent tube, spring, right the piece and set up three at least, right the piece and be peripheral at the parent tube according to the equal angular distribution of axis of parent tube, spring one end and the radial inboard side fixed connection who right the piece, the other end is connected with the fixed surface of parent tube, right the piece radial outside limit to right the piece on the side set up a transition on the hypotenuse, right the piece radial outside limit to right the piece under the side set up a transition hypotenuse. And the righting piece is provided with a through sand cleaning round hole. When the sleeve milling is used for salvaging, the centering sheet can retract, so that the sleeve milling barrel can smoothly pass through the centering device. Meanwhile, the centering piece is provided with the round hole, so that sand accumulated on the centering piece can be conveniently removed, the success rate of casing milling and salvaging of the pipe column is integrally improved, and the construction period is effectively shortened.

摘要：【中文】本实用新型公开了一种液力反馈式泵下加重抽油泵，包括抽油泵本体、泵下加重连接器，泵下加重连接器包括密封柱塞、密封泵筒、密封锁紧装置，所述密封泵筒上端连接密封锁紧装置，所述密封柱塞滑行于密封泵筒内、密封锁紧装置内，所述密封柱塞外壁与密封泵筒内壁滑动密封，所述密封柱塞外壁与密封锁紧装置内壁为滑动密封，所述密封柱塞上端口开设用于连接抽油泵柱塞下端的阀座接头的螺纹，密封柱塞下端连接进液接头，进液接头开设径向进液口，所述进液接头下端开设用于连接加重杆的螺纹。本实用新型采用密封锁紧方法将密封泵筒随密封柱塞一起下入，使得加重杆尺寸不受密封泵筒限制；在杆柱下行时，产生液力反馈力，与泵下加重双重作用助力杆柱下行。 【EN】The utility model discloses an aggravate oil-well pump under hydraulic feedback formula pump, aggravate the connector under oil-well pump body, pump, aggravate the connector under the pump and include sealed plunger, sealed pump barrel, sealed locking device is connected to sealed pump barrel upper end, sealed plunger slides in sealed pump barrel, in the sealed locking device, sealed plunger outer wall and sealed pump barrel inner wall sliding seal, sealed plunger outer wall is sliding seal with sealed locking device inner wall, the port is seted up the screw thread that is used for connecting the disk seat joint of oil-well pump plunger lower extreme on the sealed plunger, and the liquid inlet connects is connected to sealed plunger lower extreme, and radial inlet is seted up to the liquid inlet joint, the screw thread that is used for connecting the weight rod is seted up to the liquid inlet joint lower extreme. The utility model adopts a sealing locking method to put the sealing pump cylinder into the sealing plunger together, so that the size of the weighting rod is not limited by the sealing pump cylinder; when the rod column goes down, hydraulic feedback force is generated, and the rod column is assisted to go down under the action of the dual-action of the hydraulic feedback force and the weight added under the pump.