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CONTACT US


Add: No. 1, Tai'er Zhuang Road, Hi-tech Industrial Development Zone, Dongying, Shandong, China

 Tel: +86 546 7775669

 Fax: +86 546 7775669

 Email: marketing@rtpetro.com


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The wellhead installation standardization process

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13-3/8 "casing head installation 1. 17-1/2 "drill bit drilling into the design well, pulling out the drilling tool, and then entering 13-3/8" surface casing to predetermined position, cementing. 2. Cut the 20 "catheter, then lift the upper portion of the catheter, with a height difference of 510mm from the 20" catheter, and the line with a rough cut of 13-3/8 ". 3. Remove the broken casing. 4. After measuring the height of the catheter, it should be cut with the height difference of 505mm from the catheter, and then cut 13-3/8 ". 5. Check the original horizontal condition of 13-3/8 with the horizontal ruler, if not, cut the higher part to the level. 6. Use gas cutting method to cut out the - end of the 3/8 "casing preliminary groove, groove in the wheel again into a 10 * 30 °, and asking for groove edges and a smooth feel. 7. The sealing parts of the surface outside casing string and with emery cloth "BT" seal ring wil...
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Casing hangers details

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R&T group introduce you the details of casing hanger, which you should know as an oilfield worker. 1. Thread casing hanger. Thread type (i.e., screw-type) casing hanger, the equivalent of a casing collar, without cutting casing (W and WE both need to) save trouble, don't even open the bop can suspension bushing, solve the problem of wellhead suspension seal. But you need to calculate the depth of the casing to avoid the bottom. Generally used in relatively stable production well. The general mandrel (thread type) hanger is used with the threaded casing head, and the corresponding slip hanger can also be replaced. The seal principle of the sleeve head metal and rubber seal is the same as that of the tubing head metal and rubber seal. CASING HANGER BY R&T Group 2. Slip casing hanger. A. The structure of the slip casing hanger: The kava hanger is mainly made up of kava (quartile), kava (two equal parts), rubber seal (two equal parts), supporting seat (two equal pa...
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Wellhead Equipment and Christmas Tree

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Wellhead and Christmas tree equipment is an important equipment of oil and gas drilling, the casing head, tubing head, oil (gas) tree of three parts, used to connect the casing string and tubing string, and the sealing between the layers of casing and tubing annulus, and can control the production wellhead pressure and adjust the oil (gas) wellhead flow, also can be used in acid fracturing, injection, testing and other special operations. Product specification The design conforms to the requirements of API SPEC6A specification. Rated working pressure: 2000-2000 psi. Rated temperature: K, L, P, R, S, T, U and V. Product material level: AA, BB, CC, DD, EE, FF. Product specification level: psl1-psl4. Performance requirements: PR1 and PR2. Applicable media: oil, natural gas, mud, etc. 井口装置及采油树设备是油气开采的重要设备，由套管头、油管头、采油（气）树三部分组成，用来连接套管柱、油管柱，并密封各层套管之间及与油管之间的环形空间，并可控制生产井口的压力和调节油（气）井口流量，也可用于酸化压裂、注水、测试等特殊作业。     产品技术规范     设计符合API SPEC6A规范的要求 ...
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