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- For making twist drill and straight flute drill. 製造麻花鑽和直槽鑽。
- We need a short drill collar to put here. 這裡要接一根短鑽鋌。
- This is the dope for drill pipe thread. It can't be used for drill collar. 這是鑽桿絲扣油,不能用在鑽鋌絲扣上。
- On this basis,a new kind of unbending drill collar tool has been designed,which is probably to be a new kind of inclination preventive tool. 為此，設計了一種壓不彎鑽鋌裝置，此裝置有可能成為防斜打直的一種全新的井下鑽具。
- The spiral drill collars are being tried to use. 螺旋鑽鏈正在試用。
- The main products are:Slick Drill Collar,Spiral Drill Collar,Nonmagnetic Drill Collar,Heavy Weight Drill Pipe,square and hexagonal Kelly. 並可承接特殊規格的石油鑽具產品的生產。
- Connect the feeling plate to the drill collars. 用鑽鋌連接探深板。
- Do not make up or break out the bit on a single joint of DC. If this is absolutely necessary, always snub drill collar with the air tugger. 不要在一單根鑽鋌上卸鑽頭，如果確實需要這樣做，要用氣動絞車拉住鑽鋌。
- The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole. 井下穩定器安放位置調節器是斜井旋轉鑽井時實施井斜連續控制的專用工具，安裝在鑽頭與鑽鋌之間。
- The drill pipe and drill collar of TZ3080/55 roughneck are designed modularized, effective and safe from 31/2" to 81/2" with light weight, small volume. TZ3080/55鐵鑽工重量輕，體積小，模塊化 的設計安全有效，適用於從31/2"到81/2"內的鑽桿 或鑽鋌上卸扣。
- On the basis of an analysis of the location and causes of the failure of drill collar threaded connection, a high-strength drill collar threaded connection is developed. 在分析鑽鋌螺紋失效部位及原因的基礎上，研製了高強度鑽鋌螺紋，它與普通鑽鋌螺紋相比，只是在外螺紋小端增加了一段光平的錐體。
- Straight flute drill with indexable inserts 可轉位直溝淺孔鑽
- They measured the length of drill collars yesterday. 他們昨天仗量了鑽桿和鑽鏈的長度。
- Spiral flute drill with indexable inserts 可轉位螺旋溝淺孔鑽
- We need a short drill collar. 需要一根短鑽鋌。
- The fur collar mats when it gets wet. 皮領子濕了時毛就結在一起。
- Spiral drill collars made in our plant are in accordance with API standard. 本廠製造的螺旋鑽鋌按照「API」標準生產和驗收。
- In drilling exploration and well drilling Industry, the drilling pipe and drill collar are key apparatus. 鑽桿和鑽鋌等管狀螺紋連接件，是鑽探和石油鑽井工業中的關鍵設備。
- He played a delightful melody on his flute. 他用笛子吹奏了歡快的曲調。
- Fractographic and metallographic examination, mechanical testing have been carried out on the failure analysis of the drilling collar. 對鑽鋌斷裂原因進行了斷口分析、金相檢驗和力學性能試驗。
