CONTACT US

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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Wellhead Maintenance Things You Should Know

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The maintenance of the wellhead xmas tree . The maintenance and maintenance of the tree is: keep the equipment clean, no oil, no oil, no rust, no pine. Moving, intact parts and parts switch are flexible and easy to use. To domestic CY250 tree as an example, the parts are: cross, left and right sides casing pipe gate, tubing head, tubing spool, total gate, about production valve, test gate or paraffin gate (blowout preventer), tubing hanging roof of silk, clamp, steel ring, and other accessories. 1. The failure and maintenance of gate type 250 gate are easy to occur. (1) replace gate thrust bearing and copper sleeve. Open the gate, remove the handwheel pressure cap, remove the handwheel and handwheel key, remove the bearing gland, remove the copper sleeve from the screw thread, remove the old bearing, and replace the new bearing with the butter. Put the copper suit on the screw, the screw thread into the gate big gland, install the bearing gland, hold the handwheel and the han...
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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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