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Horizontal wells plugging technology Development and application of string


. 1. j. . - , go down to the design position, water pressure within the pipe, when the pressure reaches 6MPa, the packer pin cut, take the right line of the piston seal, push the right line on the compression ring, compression rubber tube, push the right line on the cone, the kava bulge out, to take the pressure seal 27, No. 6 Hou Mei et al: horizontal well water shut-off process of the development and application of string, the rubber tube seal expansion completed, the anchor slips to complete and lock to complete; discard the left piston OK,abercrombie paris, cut the pins aside, throw hand tools and tools separated, lost hand raised well outside. 2) Use the salvage period, the tubing connected with 2inTBG special fishing tools, go down to the tool position, the lock catch fish delegated the top, put on the cut reopened pin, open the locking mechanism,abercrombie france, you can remove the tool. 1.3 Structural Features 1) aside and reliable compared with conventional tools, FXSP-Y445-112 horizontal wells has dropped the water shut-off piston bridge plug, when the pressure reaches the pressure put aside, put aside the piston pin to put aside the cut, throw some hands aside, put aside part of the house put aside by the tool body to complete, send letters column of the weight and string and the casing wall friction between mechanical forces, etc. have no impact on the tool aside. 2) received three sealed reliable string centralizer, centralizer sealant tube, plastic tube sealing and increase lifetime; both cones and other use of hydrogenated nitrile rubber seals, rubber tube to improve the validity. 3) salvage a safe and reliable connection string in the indirect, re-opened when the level of well water shut-off tools, horizontal wells plugging Packer sand buried, it can now spin column, the safety joint open, horizontal wells proposed plugging tool outside, then the level of red sand salvage packer plugging wells; if salvage column, the water shutoff in horizontal wells under the bridge plug met Katy when moving, can reverse the tubing fishing tools out of the technical requirements for construction 2 1) column to go down before the wash well, pass well. 2) packer operations. Tubing connection string with 2inTBG go down as the middle case of resistance to anti-soft wash well, go down to the design position, the anti-flushing cycle week and a half, water pressure, when the pressure reaches 22MPa (if static liquid depth should be considered static pressure effect), the relief, the tool aside, packer process is complete, tools can be made to send letters. 3) The salvage operation. Connection with 2inTBG tubing fishing tools, go down to the block column and its impact position, the lock claw fish salvage the top, you can put on the re-opened. Tools such as being buried in sand, the sand should be washed while the salvage edge, up until the groan. Reopened after the decentralization of actions to be put on repeat a few times, the plot loose sand from the tubing does not allow intermittent, to prevent secondary sand cards. When the block Packer sand buried, it can now spin column, the safety joint open, blocking the bridge Seti out, and then washed sand salvage block packer. 4) after the top fish caught fishing tools, mentioned in the column on the process, decentralization of actions on the column to mention no more than 2 times, to avoid fishing tools for the fish to exit the top of the bridge plug out well. 5) when the non-collision transport, storage place when the aircraft straight. Anti-moisture, anti-corrosion. 3 field test from January 2004 the first oil production plant Dongxin high-angle wells in 2 new business 541X4 wells, Inoue H 9X44 test new business 541X4 inclined deflecting point l120m1.8. Maximum gradient 1517.06m32, sand a seal card,sac hermes birkin, well section 1816.8 ~ 1818.8m; pump depth is 1600m, card sealing position in 1800m, the slope of 4O. . After a successful well at Sim 109P1, 31P3 Wing 2 wells and wells 3 business level Inoue field trials, have achieved remarkable results. For example: Xin 109P1 well on the test in the horizontal section of string down into the FXSP-Y445-112 horizontal wells water shut-off technology column, through testing to prove the well casing above the reservoir section is no string holes. Camp 31P3 well, deflecting point at the whipstock from 1339.3m 2.8. ,abercrombie paris, The maximum slope point 1970.91m91.1. Horizontal segment displacement 126m; in the horizontal section with FXSP-Y445-112 horizontal wells water shut-off technology column card to win the title, the well in November 11, 2004 open wells, long-barreled pump operating parameters for the 56 × 5 × 3 , pump depth 1200m. Water from 93.6 percent to 3.2, daily oil production rose by a 1.7t 18.20t. Inoue level by test card back cover of the effect of water significantly. Tests showed that the water shut-off technology column has a reasonable structure, seal, seat cover, re-opened, salvaged and reliable, both in the test series wells, highly deviated wells, or in the level of Inoue use, have made a significant block the effect of water, with good promotional value. [Edit] Xiao Yu
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