unload排液，放空
uncased hole（well）未下套管井，裸眼井
undamaged perforation無污染射孔
underbalanced perforation負壓射孔
underground work井下作業(yè)
unexpected pay（expenses）不可預(yù)見費用
unopened perforation堵塞的射孔孔眼
unrecoverable bridge plug不可回收橋塞
unscheduled event意外事件
unscheduled shutdown計劃外停工
unscrew松扣，卸扣 unset packer封隔器解封
validity of the contract合同的效力
validity of treaty協(xié)議的效力
VDL（variable density log）變密度測井
venture analysis風險分析
verbal agreement口頭協(xié)定
vernier caliper gauge游標卡尺
vertical oriented perforation垂直定向射孔
vertical well直井
virgin formation 未射開的地層
virgin reservoir未開采的油氣藏
viscosity粘度 viscous crude 稠油
viscous crude oil production，viscous oil recovery稠油開采
void contract無效合同 VSP（vertical seismic profiling）垂直地震剖面
wall rock圍巖
warning board警告牌
warning notice警告標志
washing fluid洗井液
wash over洗井
water-based mud水基泥漿
water-based drilling fluid水基鉆井液
water-bearing bed（formation，layer，zone）含水層
water cushion水墊，測試墊
water cut meter含水率測量儀
water detector for annular log環(huán)空測井找水儀，環(huán)空測試儀
water breakthrough（生產(chǎn)井）見水，出水
water drive水驅(qū)
watered-out zone，water flooded layer水淹層
waterflood注水
waterflood front水驅(qū)前緣
waterflood injection well，water injection well，water input well注水井
water flush水循環(huán)洗井
water injection profile注水剖面，吸水剖面
waterflood project注水方案
water injection well stimulation注水井增注措施
water injection well testing注水井測試
water injection response注水效果
water-out reservoir水淹油層
water percentage含水率
water producer水淹井，油井出水
water tanker水罐車
wax-bearing crude含蠟原油
wax removal清蠟
weak bonding膠結(jié)不好
wireline entry guide喇叭口
weight bar，weight section加重桿
wellbore damage井筒污染
well bore configuration井身結(jié)構(gòu)
wellbore effect井筒影響
wellbore gauging井徑測量
wellbore quality井身質(zhì)量
well-calipering apparatus井徑儀
well-cased perforating套管射孔
well cementing operation固井作業(yè)
well clean up，well cleanout洗井
well completing test完井測試
well completion practice完井作業(yè)
well completion fluid完井液
well control device井控裝置
well control fluid壓井液
well control operating壓井作業(yè)
well head，well head assembly，wellhead device井口，井口裝置
well head duty house井口值班房
well head shut-in井口關(guān)井
well kick井涌
well killing job（operation）壓井作業(yè)
well logging gauge測井儀
well measurement井下測量
well on the beam抽油井
well placement井位
well pulling machine（unit），well service hoist，well servicing rig（unit）修井機
well pumping unit抽油機
well service work修井作業(yè)
well repair修井
well sampling井下取樣
well screen井下篩管
well site illumination井場照明
well site layout井場布置
well site surveillance井場監(jiān)督
well testing operation測試作業(yè)
well testing service測試服務(wù)
well testing supervisor試油監(jiān)督
well testing truck測試車
well test planning試油計劃
well thermometer井溫儀
well-to-well tracer test井間示蹤劑測試
well workover修井
wet connector濕接頭
WFT（wireline formation test）電纜地層測試
wellhead platform井口平臺
winch 絞車
winch barrel（drum）絞車滾筒
winch brake絞車剎車
winchman絞車司機
winchman control panel絞車控制面板
winch truck吊車
wireline blowout preventer鋼絲繩防噴器
wireline clamp電纜繩卡
wireline hitch電纜繩套
wireline perforation gun電纜射孔槍
wireline plug電纜橋塞
wireline-set packer電纜坐封封隔器
wireline trip電纜起下作業(yè)
wireline truck，wireline winch unit電纜絞車
wireline telemetry cartridge電纜遙測短節(jié)
wire rope鋼絲繩
wire-stripping pliers剝線鉗
workover修井
workover rig修井機
work order工作定單
water oil contact油水界面
work accident操作事故
work flow工作流程
working cloths工作服
working drawing施工圖
working index工作指標
working instruction（specification）操作規(guī)程
working operation工序
working quarter作業(yè)區(qū)
working rule操作規(guī)則
working site現(xiàn)場
working-yard施工現(xiàn)場
work injury工傷
workover job（operation修井作業(yè)）
work sheet施工單，明細表
workstation解釋站
work the pipe free活動管柱使之解卡
wrecker急救車，急救船
written contract書面合同
written report書面報告
zero clearing清零
zero length零長
zonal injection分層注水
zonal testing分層測試
zone 1 hazardous area一級危險區(qū)
zones classification危險區(qū)域劃分
Z-density log Z—密度
