Confirms to ASTM & BIS Standards
210 Ltrs, 50 Ltrs, 20 Ltrs, 5 Ltrs
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Application Seamless steel tubes for oil casing and tubing in oil wells Steel grade j55 k55 N80 L80 C90 C95 P110 Oil tube size 1.9"¡ª¡ª4.5" Casing size 4.5"¡ª¡ª20".
Manufacturing method Cold Drawn or Hot-rolled Seamless, ERW, LSAW Size (OD) 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 8 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20", 30¡± Grade J55, K55, N80, L80-1, L80-9Cr, L80-13Cr, C90, T95, P110, P110-13Cr, Q125 API Connections Round thread(8tpi, STC and LTC), Buttress thread (5tpi, BTC) Premium Connections HSM, TP-CQ, RJS (compatible with VAM and HSC) Length range Range 1, 2, 3 Technical modifications Special clearance; For extra clearance applications Special bevel; 20¡ãbevel Slotted (Screen casing). Bundle by steel belt with ends protector.
Casing is the major structural component of a well. Casing is needed to: Maintain borehole stability Prevent contamination of water sands Isolate water from producing formations Control well pressures during drilling, production, and workover operations Casing provides locations for the installation of: Blowout preventers Wellhead equipment Production packers Production tubing The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors, and setting depth is a primary engineering and economic consideration.
Casing is the major structural component of a well. Casing is needed to: Maintain borehole stability Prevent contamination of water sands Isolate water from producing formations Control well pressures during drilling, production, and workover operations Casing provides locations for the installation of: Blowout preventers Wellhead equipment Production packers Production tubing The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors, and setting depth is a primary engineering and economic consideration.
Overview Product Information: 1. Application It is a important well completion tool. It's mainly used in complex oil, gas or water well completion engineering to realize downhole packing or plugging, improve well cementation and well completion. It is used for staged packing of open holes for further operation. The pressure opens the packer's rubber for setting. It mainly consists of central pipe, rubber, open/close valve. The open valve is activated by enough pressure to demanding value, and then set the packer. More pressure shall activate the close valve to close the packer. 2. Structure and work principle It adopts expanding steel frame rubber as sealing element, it is a permanent external casing packer that setting controlled by Combination valves. It is mainly composed of valve joint, rubber assembly,central tube, pup joint, coupling and so on. During construction, when rubber plug go through valve joint, rod in the sealing inlet hole break off to open the inlet hole. When the rubber plug run to spoiler, start built pressure in casing. Liquid run into open valve from valve joint, when the pressure reached to the design, pin on open valve was cut to realize open the open valve. Liquid go through check valve and pressure limiting valve, run into the cavity between central tube and rubber. Then packer expansion and close to well wall to from seal. When expansion cavity pressure reached to the design of pressure limiting valve pin, pin break off, pressure limiting valve take movement to close the inlet hole in order to realize sealing safety. Wellhead release pressure to 0, open valve self-locking to realize permanently closed. Downhole pressure operation has no influence of packer. In the special pipe string precess, it can run inner pipe tools to set packer in order to realize special well completion(eg: well completion by packer or packer sieve tube). 3. Characteristics 1) Simple operation, no need to change the original operating craft. 2) Better adaptability, being applicable to oil/water well under various different condition. 3) Valve system can effectively protect and exactly control the tools to take setting safely. 4) Big expansion coefficient, small diameter rubber barrel can seal the big diameter well. When70mm packer is used in 7''casing, breakdown pressure can reach 28Mpa. 5) Small residual deformation. 6) It has high temperature resistant level, and can bear big differential pressure, with small residual deformation. 7) Long sealing section, reliable setting. To order pls confirm: 1.Type of packer 2.Casing size and weight & hole size 3.Temperature & hole depth 4.Connection size and type
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Transformer Oil is highly purified non-inhibited high performance mineral oil of Class 1 category of electrical insulation oils, confirming to IS 335:1993 It is use to insulate and cool transformer coil and to quench� electric� arcs� that� form between� contacts� of� switchgears,� circuit� breakers� and� rheostats� using� mineral insulating oil. BENEFITS High insulating capacity. Effective cooling and heat dissipation due to low viscosity. Minimum risk of fire due to very high flash point. High demtilsibility to ensure good separation of water in case of accidental pollution. No impurities e.g. water, dissolved gases suspended solids, etc.. Excellent oxidation stability. Minimum consumption of product due to low volatility at operating temperatures.
Multi-pole array acoustic tool can be used to make the following measurements: mono-pole array acoustic measurement, cross dipole (xx dipole and yy dipole) array acoustic measurement, quadra-pole array acoustic measurement. Features The robust mechanical design of this tool allows for successful jobs in deviated/horizontal wells. Applications Lithology identification Formation porosity evaluation Fracture identification Formation anisotropy analyses In situ earth stress analyses Formation fluid differentiation Permeability estimation Borehole stability analyses Rock strength analyses Induced-fracture evaluation after stimulation Synthetic seismogram Avo calibration
