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<title><![CDATA[EC21 Product Catalogs - drilling collar]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drilling_collar--2644/1/drilling collar.html]]></link><item>
<title><![CDATA[API Stop Collar Casing Centralizer Stop Collar for Oil Well Drilling]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API_Stop_Collar_Casing_Centralizer--11790563_11790848.html]]></link><description><![CDATA[API stop collar
1.Application and characteristic
Position device (stop ring or stop collar), called position ring, stop circular, brake ring, etc.
It is used to limit the centralizer or cement basket]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[API 5DP Oilfield Use Drill Pipe Buy Drill Pipe Drill Pipe Buyer Drill Collar Drill Pipe Company]]></title><link><![CDATA[https://10062013.en.ec21.com/API_5DP_Oilfield_Use_Drill--8627001_8636917.html]]></link><description><![CDATA[drill pipes can be manufactured with hard banding and internal coating as request, and the water well drill pipe, geological drill pipe, flat drill pipe, non-dig drill pipe are also our professional ]]></description><pubDate><![CDATA[20150915]]></pubDate></item>
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<title><![CDATA[Plastic Thread Protectors, Tubing Thread Protectors EU, NU, Heavy Duty Thread Protector]]></title><link><![CDATA[https://haigemachinery.en.ec21.com/Plastic_Thread_Protectors_Tubing_Thread--11356048_11361773.html]]></link><description><![CDATA[Haige provides CASING THREAD PROTECTOR, TUBING THREAD PROTECTOR, DRILL PIPE THREAD PROTECTORS, DRILL COLLAR, STABILIZERS THREAD PROTECTORS FOR OCTG in oil and gas field.
STOCKS ALWAYS AVAILABLE!
Type]]></description><pubDate><![CDATA[20210402]]></pubDate></item>
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<title><![CDATA[Oilfield Cementing Tools Float Collar &amp; Float Shoe]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Oilfield_Cementing_Tools_Float_Collar--9714769_9714948.html]]></link><description><![CDATA[drilling hole. There is a back-pressure valve in the float shoe. You can use the oil well cement to fill the area between the float shoe and the body. The back-pressure can be cut by back-pressure va]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Leg Drill Spare Parts]]></title><link><![CDATA[https://ergkorea.en.ec21.com/Leg_Drill_Spare_Parts--6890951_7442190.html]]></link><description><![CDATA[Leg Drill, Support Leg, Hand-held Leg Drill, Pick Hammer, Rotary Hammer, Palm Drill, Air Auger and its spare parts
CYLINDER
FRONT RING
BLOW CONNECTION
CYLINDER GASKET
PISTON
RIFLE NUT
VALVE CHEST
VAL]]></description><pubDate><![CDATA[20231212]]></pubDate></item>
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<title><![CDATA[Heavy Weight Drill Pipe]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Heavy_Weight_Drill_Pipe--10964119_10995846.html]]></link><description><![CDATA[drill collar to prevent sudden changes in cross-section of drill string, and reduce its fatigue. Using it to replace part of the drill collar can reduce torque, improve load, and increase drilling ab]]></description><pubDate><![CDATA[20200523]]></pubDate></item>

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