6 results about "Upper joint" patented technology

The invention discloses a connecting seat structure, and aims at providing a connecting seat structure with the advantages of rapid angle and direction adjustment, simple and effective positioning, strong leveling ability and adaption to multi-angle micro-adjustment. The connecting seat structure comprises a mounting seat, a tripod joint seat and a line projector joint seat, the mounting seat is provided with a main inner cavity and a seat top hole, the tripod joint seat comprises a universal bulb, an abduction ring neck and a lower joint, the abduction ring neck is positioned in a ring neck matching slot, the mounting seat is provided with a fastening screw, the line projector joint seat comprises a bulb matching base adapting to the universal bulb and an upper joint used for connecting with a line projector, the upper joint traverses through the seat top hole and stretches out of the top of the mounting seat, a compacting cushion block is arranged in the main inner cavity, and the mounting seat is provided with a locking handle. The connecting seat structure can realize simple and fast adjustment of the angle or direction, and also can realize leveling through rotating the bulb matching base when a support cannot be leveled, so the connecting seat structure has good adjusting ability and angle adaptability.

The invention discloses a packer, a setting tool and an integrated method of well drilling and well completion. The packer comprises a cylindrical upper joint, a cylindrical lower joint, an external sleeve for connecting the upper joint and the lower joint, a rubber cylinder piece with the upper end fixedly connected with the upper joint, and an internal sleeve for limiting the lower end of the rubber cylinder piece, wherein the rubber cylinder piece is located in the inner cavity of the external sleeve, the upper end of the internal sleeve is selectively and fixedly connected with the upper joint, the lower end of the internal sleeve extends in the inner cavity of the external sleeve through the rubber cylinder piece, wherein a first clamping and hanging part is arranged on the inner wallof the internal sleeve, the packer is installed on a sleeve pipe in advance, and is opened by the setting tool installed on a drill pipe when necessary.

The invention discloses a tubing drilling device, and relates to the field of oil and gas field development. The tubing drilling device comprises an anchoring mechanism and a drilling mechanism, the anchoring mechanism comprises an upper sleeve, an upper joint and a slip connected sequentially from top to bottom, an upper driving part located in the upper sleeve, an upper transmission part connected with the upper driving part and a cone connected with the upper transmission part, the upper driving part drives the cone to move up and down through the upper transmission part so as to make the cone enter or leave the slip, the drilling mechanism comprises a lower sleeve connected with the cone, a lower joint connected with the lower sleeve, a lower driving part located in the lower sleeve, alower transmission part connected with the lower driving part and a drilling part connected with the lower transmission part, and the lower driving part drives the drilling part to punch a tubing through the lower transmission part. The tubing drilling device can accurately control the drilling accuracy of the tubing and improves the success rate of drilling, the operation cost and construction risk can be reduced, and meanwhile, the integrity of a wellbore can be ensured.

The invention provides an underground drainage gas production device and a pipe column. The underground drainage gas production device comprises an upper joint, a central cylinder arranged at the lower end of the upper joint in a communication mode, a first clamping and hanging part sleeving the outer side of the central cylinder, a setting assembly sleeving the outer side of the central cylinderand located at the lower end of the first clamping and hanging part, and a first flow channel capable of being in communication with an inner cavity of the central cylinder, wherein the first flow channel is of a spiral structure. The underground drainage gas production device is of a rear-mounted structure, second clamping and hanging parts capable of being matched with the underground drainage gas production device can be firstly put into a shaft, and when throttling is needed, the underground drainage gas production device is put into the shaft, and the second clamping and hanging parts areof a cylinder shape, so that the drift diameter in the pipe column and the later operation are not influenced.

The invention relates to a water purifier water inlet joint with a filtering function. The water purifier water inlet joint with the filtering function is particularly applicable to connection of water inlet pipes of common household water purifiers. The water purifier water inlet joint with the filtering function is characterized by comprising an upper joint body, a filtering element, a lower joint body, a lateral water outlet sealing pad, a valve element sealing ring, upper and lower body sealing pads and a water inlet sealing pad; the filtering element is installed in the upper joint body; a water outlet is formed in the front end of the upper joint body, and a lateral water outlet is formed in the lateral face of the upper joint body and provided with the lateral water outlet sealing pad; the rear end of the upper joint body is connected with the lower joint body, and the upper and lower body sealing pads are installed at the position where the upper joint body and the lower joint body are connected; the lower joint body is provided with a water inlet where the water inlet sealing pad is installed.

The invention discloses an underground liquid sampling tool. The underground liquid sampling tool comprises an upper joint, a sample pipe, a valve seat, a one-way ball valve, a connecting sleeve, a sealing pipe, a shearing pipe and a positioning head, wherein the upper joint is linked with the sample pipe; the sample pipe is linked with the valve seat provided with a runner; the one-way ball valveis arranged on the upper end surface of the valve seat and is communicated with the runner; the connecting sleeve is connected with the valve seat; the sealing pipe is arranged in the connecting sleeve, is connected with the valve seat and is communicated with the runner; the shearing pipe is arranged in the connecting sleeve and sleeves on the sealing pipe, is provided with step-shaped inner holes with large and small inner diameters and is matched with the sealing pipe; a first channel is formed in the sealing pipe; a sealing surface is formed between the sealing pipe and the inner holes with the small inner diameters of the shearing pipe; a second channel is formed in the pipe wall on the inner hole with the large inner diameter; and the shearing pipe is positioned on the connecting sleeve through a shearing pin and is connected with the positioning head. The underground liquid sampling tool can accurately arrive at a preset position so as to acquire a pressure-maintaining and retained ample from underground liquid. The underground liquid sampling tool is simple, effective, accurate and reliable.