38results about How to "Simplify logistics" patented technology

The invention relates to a housing which is provided with a bottom section (4) and a cover (6) which are used as a first housing part and a second housing part. The bottom part and the cover are connected with each other via a tightening element (8). At least one tightening element can be released selectively, and can be used between the two pares as a hinge. The first housing part is provided with a supporting face (14). The first housing part is supported on a fixing shaft (10) in a locking position of the tightening element. In the locking position, the tightening element is connected with the fixing shaft with the help of a connecting sheet (12) on a first side, and is locked with the first housing part on a second side, so the supporting face of the first housing part is pressed on the fixing shaft. In the relaxed state of the tightening element, an interval size (28) is lightly smaller than an interval size (30). The tightening element is made of an elastic material, so the interval size (28) is increased when the tightening element is stably pressed by a finger, i.e. a locking protruding part is locked after crossing a locking edge, and the tightening element bears the pulling stress in the locking position.

The present invention provides a non-filling self-adaptive sand control process, which comprises: step 1, optimizing process parameters according to data such as reservoir physical properties, geological structure, reservoir sand particle size analysis and numerical simulation; step 2, Treatment of wellbore opening; step 3, high-permeability resin sand consolidation, including flushing the sand to the position required by the design, running the construction string according to the design requirements, pre-treating the oil layer, and then selecting a high-permeability resin sand consolidation agent to squeeze the resin Molded sand-consolidating agent and displacement liquid, after the pressure naturally diffuses, the construction pipe string is slowly raised, and waits for Hou to solidify; step 4, lowering the self-adaptive sand control expansion sand control pipe string. The main advantages of this process technology are: no filling operation, simplified construction process, low cost and no risk. Use high-permeability resin to fix the quicksand, and the fluid will pass through naturally, so as to prevent sand but not oil. The self-adaptive graded expansion material allows sand particles smaller than 40 microns to pass through directly, and the sand control can be better if the sand is truly passed.