-
1.发明公开公开(公告)号：US20240310861A1
公开(公告)日：2024-09-19
申请号：US18418172
申请日：2024-01-19
发明人： Jianguo ZHAO , Penghui LIANG , Qingyou LIU , Guorong WANG , Haotian ZHENG , Hanxiu PENG , Min WAN , Gang HU , Xu LUO , Yingju PEI , Xingming WANG , Xianwei DAI , Xuanhe TANG , Lei TAO
CPC分类号： G05D7/0623 , G05B13/041 , G05D7/0635
摘要： A method, an apparatus and a system for automatically adjusting an opening degree of a fluid control valve, relating to the technical field of oil and gas exploration and development. The method includes: establishing a fluid control valve having an orifice structure in oil and gas production; using a numerical simulation method to obtain the influence law of minimum opening degree adjustment step on oil and gas production; obtaining relevant production test data of the oil and gas well, and calculating the total oil and gas production and the oil and gas production of each production layer based on the production test data of the oil and gas well; dividing the production layer segments into high, middle and low-production layers according to the production ratio of each production layer segment; respectively calculating the average productions of the high, middle and low-production layers.
-
2.发明申请公开(公告)号：US20200263522A1
公开(公告)日：2020-08-20
申请号：US16503471
申请日：2019-07-04
发明人： Qingyou LIU , Haiyan ZHU
摘要： A design method for a personalized drill bit for a complex difficult-to-drill formation includes: S1, acquiring rock drillability indexes of a drilled formation; S2, performing digital simulation analysis of rock breaking of bit teeth and a composite rock breaking experiment of a ring gear and a drill bit, and establishing a mechanical model of the rock interaction at the bottom of a well; S3, establishing an integrated dynamics model of drill string-drill bit-rock system coupling; S4, designing a tooth shape, a tooth distribution density, a crown shape and a gauge protection structure for rock mechanics properties of a complex difficult-to-drill formation; S5, optimizing bit nozzle and hydraulic structure parameters by using the computational fluid dynamics theory and the numerical simulation method; S6. optimizing a manufacturing process of the drill bit by using the tooth material decarburization strengthening technology, the high-strength bit body material technology and the special tooth-shaped tooth technology.
-
3.发明申请公开(公告)号：US20200181994A1
公开(公告)日：2020-06-11
申请号：US16511004
申请日：2019-07-15
发明人： Qingyou LIU , Haiyan ZHU , Jianguo ZHAO , Guorong WANG
摘要： A coiled tubing drilling robot, a robot system and a process parameter control method thereof. The coiled tubing drilling robot is mainly characterized in that a drilling pressure and a drilling speed of a drill string are adjusted by an electric proportional relief valve and an electric proportional flow valve disposed inside the drilling robot; a support mechanism of the drilling robot adopts a single oblique block to prop against a spring piece to clamp a well wall; the coiled tubing drilling robot system consists of a coiled tubing intelligent drilling rig, a wellhead device, a coiled tubing, a drilling robot, a drill string vibration measurement device, a MWD, a power drill and a drill bit.
-
4.发明公开公开(公告)号：US20240093589A1
公开(公告)日：2024-03-21
申请号：US18470510
申请日：2023-09-20
发明人： Jianguo ZHAO , Qingyou LIU , Haiyan ZHU , Guorong WANG , Jie ZENG , Xu LUO , Xuecheng DONG , Xingming WANG
摘要： Disclosed are a wireless remote control method and system for controllable rotary sliding guiding drilling. An upper end of a controllable rotary sliding guiding drilling mechanism is provided with a drill rod; and the wireless remote control system for controllable rotary sliding guiding drilling further comprises: an MWD arranged at a lower end of the controllable rotary sliding guiding drilling mechanism; a bent screw drill tool mounted at a lower end of the MWD; a drill bit mounted at a lower end of the bent screw drill tool, the drill bit being connected with the bent screw drill tool through a connector; and a clutch module mounted on the controllable rotary sliding guiding drilling mechanism, the clutch module comprising an electromagnetic valve, a processor, an internal pipe pressure sensor, an external pipe pressure sensor and a wireless data transmission module.
-
5.发明申请公开(公告)号：US20200301043A1
公开(公告)日：2020-09-24
申请号：US16516261
申请日：2019-07-19
发明人： Haiyan ZHU , Qingyou LIU , Yapu ZHAO , Yang LI
摘要： A numerical simulation and parameter optimization method for volumetric fracturing of an unconventional dual medium reservoir includes the following steps: based on the theory of dual-medium pore elasticity, in consideration of the friction effect between fractures, developing a viscoelastic-plastic damage model of hydraulic fractures based on explicit time integral; simulating random intersection and bifurcation of hydraulic fractures encountering with natural fractures by adopting a method of embedding zero-thickness fracture units in the inner boundaries of computational model grids, and establishing a mathematical model of hydraulic fracture expansion of volumetric fracturing in the unconventional dual-medium reservoir; compiling a finite element program for complex multi-fracture fracturing and competitive expansion during volumetric fracturing of the unconventional reservoir, and establishing a hydraulic fracturing finite element model of a casing-cement ring-perforation hole in cluster-reservoir matrix containing natural fractures.
-
公开(公告)号：US20240360733A1
公开(公告)日：2024-10-31
申请号：US18508923
申请日：2023-11-14
发明人： Jianguo ZHAO , Qingyou LIU , Haiyan ZHU , Min WAN , Guorong WANG , Xuecheng DONG , Xu LUO , Yingju PEI , Xingming WANG
CPC分类号： E21B23/001 , E21B47/06 , E21B47/09 , E21B47/13
摘要： A downhole traction system includes a driving system and a downhole wheeled tractor. The driving system is connected with the downhole wheeled tractor; the downhole wheeled tractor comprises a tractor body, a power unit and a plurality of traction units; the plurality of traction units are arranged along the extension direction of the tractor body; each of the traction units comprises a driving arm, a supporting arm, a supporting wheel, a driving assembly and a supporting assembly; the driving arm and the supporting arm are movably connected with the tractor body; and the supporting wheel is connected with the driving arm and the supporting arm. When the supporting assembly drives the supporting arm to extend along the radial direction of the tractor body under the hydraulic drive action of the hydraulic power unit, the supporting wheel can be abutted against the well wall.
-
公开(公告)号：US20240093554A1
公开(公告)日：2024-03-21
申请号：US18463876
申请日：2023-09-08
发明人： Qingyou LIU , Jianguo ZHAO , Guorong WANG , Haiyan ZHU , Xuecheng DONG , Xingming WANG , Xu LUO , Yingju PEI , Xianwei DAI
CPC分类号： E21B7/067 , E21B17/042 , E21B31/00 , E21B34/066 , E21B47/06 , E21B47/13
摘要： Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.
-
公开(公告)号：US20210199535A1
公开(公告)日：2021-07-01
申请号：US16982439
申请日：2019-04-04
发明人： Jun LIU , Xiaoqiang GUO , Qingyou LIU , Yufa HE , Anchao WEI , Linlin ZENG , Jianxun WANG
IPC分类号： G01M7/02
摘要： The present invention discloses a testing device and method for simulating longitudinal-transverse-torsional coupled nonlinear vibration of a drill string in deep-water riser-free drilling. The testing device comprises a pool (1), a motor (2) and a hook load adjustment device (3), wherein a guide wheel (4) is provided on the top of the pool (1); a support seat A (5) and a support seat B (6) are fixed on the bottom surface of the pool (1); an organic glass tube (8) is fixed between the support seat A (5) and the support seat B (6); a casing (9) is respectively provided on the top surface of the support seat B (6) and the top surface of the trailer (7); the left end of the plastic tube (10) extends into the organic glass tube (8) along the axis of the organic glass tube (8). The present invention further discloses a simulation method. The present invention has the following beneficial effects: the structure is compact; the longitudinal-transverse-torsion coupled vibration responses of the drill string under different rotating speeds of the drill string, ocean flow rates, flow rates of the drilling fluid, torsional excitations and longitudinal excitations at the bottom of the formation section is simulated, thereby filling up the blank in the riser-free drilling system.
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.013 秒)
