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- Air driven hollow DTH hammer is applied,along with a set of dual wall drilling pipe and a specially designed reverse circulation bit,to conduct continuous coring reverse circulation drilling. 氣動(dòng)貫通式潛孔錘與雙壁鉆桿及專(zhuān)門(mén)研制的反循環(huán)鉆頭 (獲國家發(fā)明專(zhuān)利 )配套使用 ,可實(shí)現反循環(huán)連續取心 (樣 )鉆進(jìn)新工藝 ,連續獲取的巖樣采取率高 ,品質(zhì)好 ,代表性強。
- The drill pipe that was broken has been found. 斷了的鉆桿被找到了。
- Drill pipe threads are not cleaned in that way. 鉆桿絲扣不是那樣清洗的。
- The right thing to do now is to bent a drill pipe. 現在要做的事是拉彎一根鉆桿。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重鉆桿。
- And returns to the surface in the space between the drill pipe and the wall of the borehole. 然后通過(guò)鉆桿和鉆孔壁之間的間隙返回至地表。
- The main products are:Slick Drill Collar,Spiral Drill Collar,Nonmagnetic Drill Collar,Heavy Weight Drill Pipe,square and hexagonal Kelly. 并可承接特殊規格的石油鉆具產(chǎn)品的生產(chǎn)。
- Drill pipe corrosion results from oxygen acting on metals. 鉆桿的腐蝕來(lái)自氧對金屬的作用。
- Heavy wall, translucent Buchner flasks, suitable for use under vacuum. 為半透明之厚壁過(guò)濾錐形瓶。
- Petroleum and natural gas industries - Aluminium alloy drill pipe. 石油天然氣工業(yè)-鋁合金鉆桿。
- The stand pipe pressure (drill pipe pressure) is 10kg/cm2. 立管壓力（鉆桿壓力）10公斤/厘米2。
- Must these drill pipes be measured again? 這些鉆桿必須再量一次嗎?
- No defects did we find in these drill pipes. 在這些鉆桿內我們沒(méi)有發(fā)現缺陷。
- The modern high performance pipeline steel has been developing for high strength,heavy wall,high deformability and HIC-resistance. 現代管線(xiàn)鋼向高強度、大厚度、抗應變和抗HIC方向發(fā)展。
- If the drill pipe threads become rusty, rust will have to be cleaned. 如果鉆桿絲扣生銹,必須清除掉。
- The heavier mud travels down the drill pipe and up through the annulus. 較重的泥漿沿鉆桿向下流動(dòng),然后通過(guò)環(huán)形間隙上升。
- WH1325ATC machine frame is constructed of heavy wall, the feame components are stress relieved prior to machining to insure parallelism and perpendicularity of the final product. WH1325ATC機器床身和橫梁均由厚壁鋼管焊接而成，去應力處理后在大型龍門(mén)加工中心一次裝夾完成全部安全面的加工。確保機床的平行度和垂直度，為機床提供了一個(gè)剛硬穩定的平臺。
- CASTON is one of the enterprises for drill pipe production in China. 凱司通公司是國內最早從事鉆桿生產(chǎn)的企業(yè)之一。
- Designed for wall drilling of concrete block or brick without using water. 在無(wú)水環(huán)境下，適用于混凝土或者磚塊上鉆孔取樣。
- This is the dope for drill pipe thread. It can't be used for drill collar. 這是鉆桿絲扣油,不能用在鉆鋌絲扣上。
