letter of advice通知單
letter of authoyity授權(quán)書
lab house值班房
labour contract勞務(wù)合同
labour cost勞務(wù)費(fèi)用
labour distribution chart工人出勤表
labour insurance勞動(dòng)保險(xiǎn)
ladder belt安全帶
landing depth下入深度
landing nipple定位短節(jié)，提升短節(jié)
landing string下井管柱
land operation陸上作業(yè)
large producer高產(chǎn)井
laser-beam plotter激光繪圖儀
laser printer激光打印機(jī)
last casing完井套管
lateral側(cè)面的
lateral axis橫坐標(biāo)
lateral core 井壁取心
lateral drilling 水平鉆井，側(cè)向鉆井
lateral segment水平井段
lateral well水平井，側(cè)鉆井
laterolog側(cè)向測(cè)井
lead pig鉛罐
lay tongs管鉗
lost circulation洗井液漏失，井漏
LDL（litho-density log） leakage漏失
leak detection檢漏，查漏
lease rent租賃費(fèi)
lease term租賃期
leasing of equipment設(shè)備出租
legal person法人
legal personality法人資格
legitimate right合法權(quán)利
length overall總長(zhǎng)
less permeable layer低滲透層
less waxy crude低含蠟原油
letter of guarantee擔(dān)保書
letter of intent意向書
letter of introduction介紹信
level 1 maintenance一級(jí)維修保養(yǎng)
limestone石灰?guī)r
liability責(zé)任，義務(wù)，債務(wù)
liability for breach of contract違約責(zé)任
liability of damage損壞賠償責(zé)任
license許可證，執(zhí)照
lift sub（nipple）提升短節(jié)
limitation of liability責(zé)任范圍
liquid nitrogen液氮
lined-cavity charge聚能射孔彈
line the hole下套管
liquid damping液壓減震器
liquid level test液面測(cè)試
liquefied petroleum gas液化石油氣
lithic fragment 巖屑
lithologic hydrocarbon reservoir巖性油氣藏
laterolog deep深側(cè)向測(cè)井
laterolog shallow淺側(cè)向測(cè)井
LDL（litho-density log）巖性密度測(cè)井
litho-porosity log巖性孔隙度測(cè)井
little slam小滿貫測(cè)井法
LSS（long-spaced sonic log）長(zhǎng)源距聲波測(cè)井
log measured from測(cè)井起始深度
log測(cè)井，測(cè)井儀，測(cè)井曲線，錄井
logging cabin測(cè)井房，錄井房
logging cable測(cè)井電纜
logging gauge測(cè)井儀
logging interval測(cè)井井段
logging-while-drilling tool隨鉆測(cè)井儀
logging interpretation測(cè)井解釋
long horizontal traverse well，high-angle deviated well大斜度井
look for bottom探井底
loosen a connection松扣
loss泥漿漏失，井漏
loss of gauge不合標(biāo)準(zhǔn)，不合規(guī)格
loss of well control井失控
lost item（井底）落物
lower sheave地滑輪
low-permeability低滲透率
low productivity well低產(chǎn)井
low-water-cut well低含水井
letter report書面報(bào)告
lump sum contract總包合同
lump sum fee 一攬子費(fèi)用
lump work包干作業(yè)
logging while drilling隨鉆測(cè)井
multi-arm caliper多臂井徑儀
magnifier放大器
maiden field未開發(fā)的油氣田
main layer主力油層
main office總公司
main producing horizon主力生產(chǎn)層
maintenance center維修基地
maintenance cost維修費(fèi)用
maintenance crew維修隊(duì)
maintenance gang維修班
maintenance man維修工
maintenance manual維修手冊(cè)
maintenance overhaul日常維修
maintenance report維修保養(yǎng)記錄
maintenance supply維修器材
major overhaul 大修
major reservoir主力油層
major terms常用術(shù)語
make a pull起鉆
make a trip起下鉆
male thread公扣
malfunction故障，性能不良
maloperation無操作
male and female joint公母扣接頭
man –made fracture人造裂縫
man-made recovery人工開采
manual of operations操作手冊(cè)
magnetic mark磁記號(hào)
maximum allowable operating pressure最大允許工作壓力
marginal field邊緣油田
marginal flood邊緣注水
marine drilling platform海上鉆井平臺(tái)
marine operation海上作業(yè)
marine petroleum exploitation海上石油開采
master map原始資料圖
master plan總體規(guī)劃
maturing field老油田
maximum deviation最大井斜
maximum design pressure最高設(shè)計(jì)壓力
maximum flow（rate）最大流量
maximum penetration最大穿透深度
maximum wellhead pressure最高井口壓力
mudstone泥巖
measurement depth實(shí)測(cè)井深
measured error測(cè)量誤差
measured signal被測(cè)信號(hào)
measured value實(shí)測(cè)值
measurement precision測(cè)量精度
measurement range 測(cè)量范圍
measurement well測(cè)試井
MWD（measurements while drilling）隨鉆測(cè)井
microlog微電極測(cè)井
MSFL（microspherically focused log）微球形聚焦測(cè)井
mechanical fault（failure）機(jī)械故障
mechanical performance機(jī)械性能
mechanical work機(jī)械作業(yè)
memorandum備忘錄
microlaterolog微側(cè)向測(cè)井
micro-resistivity log微電阻率測(cè)井
ministerial standard部頒標(biāo)準(zhǔn)
moving in pulling unit起油管作業(yè)機(jī)運(yùn)進(jìn)井場(chǎng)
moving in rig鉆機(jī)運(yùn)進(jìn)井場(chǎng)
miscalibration標(biāo)定錯(cuò)誤
miscible phase混相
misfire未引爆，未發(fā)射
mishap意外事故，機(jī)械事故
misinterpretation解釋錯(cuò)誤
moving in service rig修井機(jī)運(yùn)進(jìn)井場(chǎng)
moving in tools儀器設(shè)備運(yùn)進(jìn)井場(chǎng)
magnetic mark depth磁記號(hào)深度
money order匯票
MOA（memorandum of agreement）協(xié)議備忘錄
mobile drilling rig車載鉆機(jī)
mobile house 活動(dòng)房
mobile operation流動(dòng)作業(yè)
mobilization and demobilization fees動(dòng)復(fù)員費(fèi)
mobilization charge動(dòng)員費(fèi)
model contract標(biāo)準(zhǔn)合同
model machine樣機(jī)
model number型號(hào)
moving out equipment設(shè)備運(yùn)出井場(chǎng)
modern perforating practice現(xiàn)代射孔技術(shù)
monitor well監(jiān)測(cè)井
monkey活動(dòng)扳手，井架工
monocable，monoconductor，monoconductor cable，monoconductor line單芯電纜
monkey wrench管鉗，活動(dòng)扳手
monophase單相
monthly report月報(bào)
morning shift早班
mothballed plant封存裝置
movable pulley動(dòng)滑輪
maintenance prevention安全設(shè)施
master repair schedule大修日程安排
margin of safety安全系數(shù)
material specifications材料規(guī)格
maximum surface pressure最高井口壓力
minimum shooting interval最小射孔井段
mud cake泥餅
mud damage泥漿對(duì)地層的損害
mud filtrate泥漿濾液
mud fluid泥漿
mud logging泥漿錄井
mud lubrication泥漿壓井
mud pit泥漿池
mud socket撈砂筒
mud resistivity log 泥漿電阻率測(cè)井
mudstone泥巖
multi-cable，multi conductor ，multicore cable多芯電纜
multimeter萬用電表
multiple completion多層完井
multiple fracturing多次壓裂
multiple runs多次起下作業(yè)
multizone –flooding多層注水
multizone reservoir多層油氣藏
multi-finger caliper多臂井徑儀
XMAC（multipole array acoustic log）數(shù)字交叉偶極子陣列聲波
