久久久福利_行業(yè)文件_臨清市瑞龍鉆具有限公司

2020-07

1.中心通纜式鉆桿的合理存放?鉆桿存放時(shí)應注意幾點(diǎn):?1)鉆桿必須存放在鉆桿架上;?2)鉆桿存放時(shí)絲扣應涂抹防銹油并戴上保護帽;?3)鉆桿存放處應清潔、無(wú)腐蝕性物品(特別是在井下存放時(shí)，應避水，高硫化氫礦井應做好防腐蝕工作);?4)新舊鉆桿應分區存放。?2.中心通纜式鉆桿的合理使用?中心通纜式鉆桿是實(shí)施定向鉆進(jìn)工藝的必要鉆具，合理使用鉆桿是改善其工作條件和增強信號傳遞的穩定性的首要措施，對定向鉆進(jìn)

2020-07-04

2020-07

中心通纜式鉆桿的檢驗——瑞龍鉆具

1)檢查中心傳導裝置和絕緣裝置是否能在鉆桿體中竄動(dòng)。若中心傳導裝置和絕緣裝置在鉆桿體中發(fā)生軸向竄動(dòng)，勢必影響絕緣裝置的密封性以及其使用壽命，進(jìn)而影響中心通纜式鉆桿信號傳遞的可靠性和穩定性。?2)檢查塑料接頭裝配情況，保證連接牢固。測量塑料公接頭2左端面到鉆桿體左端面距離以及塑料母接頭7右端面到鉆桿體右端面距離。保證塑料公接頭2左端面到鉆桿體左端面距離為14±0.5mm，塑料母接頭7右端面到鉆桿體右

2020-07-04

2020-07

中心通纜式鉆桿的主要技術(shù)參數

中心通纜式鉆桿主要技術(shù)參數如下:?1)鉆桿尺寸:鉆桿體73×5.6mm，接頭外徑75mm;?2)鉆桿定尺長(cháng)度:3m;?3)鉆桿抗拉能力:800kN;?4)鉆桿抗扭能力:6500N·m;?5)絕緣電阻:>2MΩ;?6)中心通纜裝置電阻:<0.5Ω;?7)使用壽命:20000m或1年。

2020-07-04

2020-07

中心通纜式鉆桿的工作條件——瑞龍鉆具

中心通纜式鉆桿組成的鉆桿柱是一個(gè)彈性系統，在定向鉆進(jìn)過(guò)程中鉆桿所受載荷的大小和方向都在變化，中心通纜式鉆桿在三維空間中承受著(zhù)復雜交變的拉、壓、扭、彎曲、振動(dòng)等載荷，加上磨損腐蝕等作用，在經(jīng)過(guò)一段時(shí)效后很可能在應力集中部位斷裂。同時(shí)，伴隨著(zhù)地質(zhì)條件的變化以及卡鉆、埋鉆等事故的發(fā)生，鉆桿的受力情況將變得更為復雜。中心通纜式鉆桿的工作條件決定了中心通纜式鉆桿將是鉆進(jìn)過(guò)程中受力最復雜、工況最?lèi)毫拥牟考?

2020-07-04

2020-05

煤礦井下碎軟煤層空氣復合定向鉆進(jìn)技術(shù)與裝備

2020-05-27

2020-05

煤礦井下3000m順每層定向鉆孔關(guān)鍵技術(shù)

2020-05-27

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