Molecular weight

a measure of the mass of the molecule of

a chemical compound

Monomer

a simple molecular unit (such as

ethylene or styrene) from which a polymer

can be made

Manometer

an instrument used for the measurement

of gaseous pressures or pressure differentials

in a system

Rigging up

the operation whereby tools, machinery

fuel, water supplies, etc are installed on

a rig before drilling commences

Sea floor housekeeping

the procedure whereby an oil company

carries out regular inspections of the sea

bed to detect (and subsequently recover)

any potentially harmful debris

Wet tree

a sub-sea wellhead where the equipment

is exposed to the sea

Offshore

the adjective applied to any structure or

activity located or carried out at sea as

opposed to on land (onshore)

Marine riser

the pipe which connects an exploration

rig, drilling platform or production platform

to a sub-sea wellhead or sub-sea

pipeline during drilling or production

operations

Motor oil

refined lubricating oil, usually containing

additives, used as lubricant in internal

combustion engines

Water injection

a process whereby treated water is

pumped into the reservoir rock in order to

maintain the reservoir pressure

Gas injection

the process whereby separated associated

gas is pumped back into a reservoir

for conservation purposes or to maintain

the reservoir pressure

Injection well

a well used to inject gas or water into the

reservoir rock in order to maintain reservoir

pressure in secondary recovery or (in the

case of gas) for conservation purposes

Reboiler

equipment provided with a heating medium

for vaporizing liquid at the bottom of a

distillation tower

Onshore

the adjective applied to any structure or

activity located or carried out on land as

opposed to at sea (offshore)

Deviated drilling

see directional drilling

Directional drilling

a technique whereby a well is deliberately

deviated from the vertical in order to

reach a particular part of a reservoir -

see deviated well, whipstock

Petroleum Revenue Tax (PRT)

a tax levied by the UK Government on

net income from petroleum production in

the UK sector after deducting all costs,

Royalties and certain other allowances,

this tax is deductible in computing

Corporation Tax

Corporation Tax

tax paid to the UK government on the net

profit made by a company after payment

of Royalty, Petroleum Revenue Tax and

all allowable expenses

Дата добавления: 2015-11-14