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<title><![CDATA[EC21 Product Catalogs - stringe]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/stringe--2644/1/stringe.html]]></link><item>
<title><![CDATA[Maxdrill Crossover R28-R32 Coupling]]></title><link><![CDATA[https://juliewang6.en.ec21.com/Maxdrill_Crossover_R28_R32_Coupling--12038091_12038100.html]]></link><description><![CDATA[Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmi]]></description><pubDate><![CDATA[20250120]]></pubDate></item>
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<title><![CDATA[Retrieving Core Efficiently and Effectively Wireline and Conventional Core Barrels]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/Retrieving_Core_Efficiently_and_Effectively--11913418_11934903.html]]></link><description><![CDATA[string. The rods remin in the hole until the bit needs to be replaced. This has big cost advantages when drilling deep holes for mineral exploration.
The core barrel assembly is composed of the inner]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Coupling Sleeves]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Coupling_Sleeves--8458610_8459120.html]]></link><description><![CDATA[Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmi]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[NM Type Torque Anchor]]></title><link><![CDATA[https://theonly521zhao.en.ec21.com/NM_Type_Torque_Anchor--9067645_9073496.html]]></link><description><![CDATA[string and tighten。 
2、The pump stator next to a predetermined depth after，400N &amp;bull; m torque is applied to the tubing string in a clockwise direction，Then fixed the tubing string and wellh]]></description><pubDate><![CDATA[20140724]]></pubDate></item>
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<title><![CDATA[High Quality Oil Well Down Hole Tools Tubing Anchor for Tubing Pump/Sucker Rod Pump]]></title><link><![CDATA[https://277064914.en.ec21.com/High_Quality_Oil_Well_Down--8890439_8890542.html]]></link><description><![CDATA[,1.Breif Intrduction 
Our tubing anchor anchor the tubing string in a rod pumping well .The tubing anchor effectively reduce rod, tubing, and casing wear. This cuts operating costs. Elimination of br]]></description><pubDate><![CDATA[20240318]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod Drilling Stabilizer for Oilwell]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_AISI_4145H_Mod--9714769_9715051.html]]></link><description><![CDATA[string or near bits)
2 Material (steel or Non Mag.)
3 OD and ID
4 Connections type and size
5 Fishing Neck OD and length
6 API stress relief groove
7 Open or tight design
8 Right or left hand spiral
]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Down the Hole Hammer, DTH Hammer, Down Hole Hammer, DHD360 Hammer, SD8 Hammer, DHD380 Hammer]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Down_the_Hole_Hammer_DTH--10772843_10772848.html]]></link><description><![CDATA[string rotates while the drilling hammer continuously strikes down into the rock. The drill rods transmit the necessary feed force and rotation to the DTH hammer and bit, as well as compressed air fo]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[Steel Sucker Rod]]></title><link><![CDATA[https://hbmccarbon68.en.ec21.com/Steel_Sucker_Rod--10964119_11033249.html]]></link><description><![CDATA[string, and up through polished rod connection on the pumping unit or PCP motor, down connection on the pump piston or PCP, its role is to ground the reciprocating movement of the pumping unit horseh]]></description><pubDate><![CDATA[20200523]]></pubDate></item>
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<title><![CDATA[API Oilfield Well Drilling Casing Guiding Float Collar and Float Shoe for Cementing]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API_Oilfield_Well_Drilling_Casing--11790563_11790572.html]]></link><description><![CDATA[string presents special cementing consideration due to high displacement volume of large diameter casing. Features: Small diameter inner string off drill pipe is used to displace cement which minimiz]]></description><pubDate><![CDATA[20230516]]></pubDate></item>

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