Wellheads, artificial lift, separators, tank batteries, gathering, and upstream/midstream field operations. 98 terms in this topic - each defined in plain English on its own page.
Wellheads, artificial lift, separators, tank batteries, gathering, and upstream/midstream field operations.
Carbonate stimulation above fracture pressure where etched fracture faces, not proppant, provide conductivity.
Read → GlossaryThe closed-loop strategy that tunes shut-in time from the last arrival velocity to hold the plunger in a target window.
Read → GlossaryA forced-draft blower supplies combustion air for smokeless burning, with VFD blower speed tied to vent-gas flow.
Read → GlossaryHow wells are pumped or gas-lifted to surface once natural flow fades - ESP, rod pump, gas lift, PCP, and plunger lift compared.
Read → GlossaryThe cylinder-and-piston core of a rod pump, insert vs tubing, tying fit and clearance to efficiency.
Read → GlossaryHow a tank shell can rupture at low temperature under stress, and how MDMT and fill-rate limits guard against it.
Read → GlossaryDead volume and wall adsorption suppress and delay reactive gases, landing a rushed span calibration low.
Read → GlossaryThe cemented steel strings that line and seal a wellbore - surface, intermediate, and production casing explained.
Read → GlossaryHow bow-spring and rigid centralizers keep casing centered for a uniform, channel-free cement sheath.
Read → GlossaryThe base wellhead spool that suspends casing strings, seals casing annuli, and anchors the stack.
Read → GlossaryHow surface injection pressure reveals which gas-lift valve is passing and how deep a well is really lifting.
Read → GlossaryRead CHP over time to tell gas-lift swings from creeping leaks, set rate-of-change alarms, and correlate with tubing pressure.
Read → GlossaryThe float shoe, float collar, and shoe track that trap contaminated cement, plus the shoe integrity test.
Read → GlossaryThe continuous reeled steel tube that runs live-well cleanouts, milling, and stimulation in well services.
Read → GlossaryThe reel, injector head, and control cabin spread that runs continuous tubing for live-well interventions.
Read → GlossaryA pipeline facility that re-boosts natural gas pressure to keep it flowing through gathering and transmission systems.
Read → GlossaryThe required percentage of VOC or methane a control device destroys - the 98/95% compliance targets.
Read → GlossaryThe tool that diverts free gas away from a pump intake to prevent gas lock - across rod-pump and ESP types.
Read → GlossaryHow counting dump cycles predicts seat wear and flags foaming, undersized valves, or level-controller mistuning.
Read → GlossaryElectric submersible pumps - the high-rate downhole centrifugal lift method - explained, from motor and stages to the surface VSD.
Read → GlossaryWhen free gas fills the pump stages and stops liquid flow, and the separators and signals that fight it.
Read → GlossaryThe downhole-gauge reading at the pump inlet that shows drawdown and keeps an ESP off gas lock.
Read → GlossaryThe protector between an ESP motor and pump that equalizes pressure, blocks well fluid, and carries thrust.
Read → GlossaryThe surface panel that powers and protects a downhole ESP with underload/overload trips.
Read → GlossaryStaging recovery compressors with lead-lag control to hold header pressure and bypass to flare only when capacity is exceeded.
Read → GlossaryThe two-stage coalescing vessel that strips solids and fine aerosols to deliver dry gas to a meter.
Read → GlossaryThe mass of steam or air added per mass of vent gas, tuned between smoking and over-assist off the flow signal.
Read → GlossaryHow completely a flare burns its gas, and the tip velocity, heating value, and assist that degrade it.
Read → GlossaryA wide-turndown ultrasonic or thermal meter that measures waste gas from purge to blowdown for emissions accounting.
Read → GlossaryCapturing low-pressure vent gas ahead of the flare and returning it to fuel or sales, with proof flaring was avoided.
Read → GlossaryThe relief and blowdown collection piping to the flare, where shared back pressure limits valve capacity.
Read → GlossaryA living plan to cut flaring with causal analysis after big events, proven by flare metering and root-cause event tagging.
Read → GlossaryContinuous purge keeps a minimum upward header velocity to stop air ingress and flashback; seals cut how much is needed.
Read → GlossaryThe liquid seal that blocks flame flashback into the header and lets purge gas be reduced, held by level control.
Read → GlossaryThe burner where relief gas ignites, the continuously lit pilot, and why flame-out is a critical alarm.
Read → GlossaryThe vessel that flashes vapor out of a liquid by pressure letdown, used as a separation and stabilization stage.
Read → GlossaryA temporary plugging agent that redirects fluid to starved clusters, confirmed by a treating-pressure step-up.
Read → GlossaryFracture or pressure communication from a new child well into a nearby producing parent well, detected by offset monitoring.
Read → GlossaryA hybrid completion combining a short high-conductivity fracture with a gravel pack for sand control in high-perm sands.
Read → GlossaryThe downhole tool that isolates a completed stage in plug-and-perf, composite versus dissolvable.
Read → GlossaryOne isolated interval of a horizontal lateral, perforated and fractured as a unit - and the core dataset for post-frac analysis.
Read → GlossaryThe high-pressure valve stack above the wellhead that safely delivers a frac, with the goat head and zipper manifold.
Read → GlossaryNew annual mileage and incident reporting for regulated Type C gathering, answered by one maintained gathering map.
Read → GlossaryLifting oil by injecting compressed gas to lighten the fluid column - valves, mandrels, and continuous vs intermittent - explained.
Read → GlossaryThe cyclic slugging where a gas-lift well swings between loading and unloading, and how to stabilize it.
Read → GlossaryHow the gas-lift performance curve sets an optimum injection rate and how SCADA tunes it field-wide.
Read → GlossaryThe higher-than-normal pressure or auxiliary gas needed to break a loaded or dead well loose and start it lifting.
Read → GlossaryThe tubing-mounted pocket housing a gas-lift valve, in conventional and wireline-retrievable side-pocket forms.
Read → GlossaryThe operating valve at the deepest injection point, versus the unloading valves, and its stable operating point.
Read → GlossaryWhich mandrel actually passes gas, why the deepest single point is the target, and how to locate it.
Read → GlossaryHow injection transfers deeper valve by valve to the operating point, read from casing pressure trends.
Read → GlossaryThe nitrogen-charged bellows valve that admits injection gas at set depths - unloading sequence and IPO vs PPO explained.
Read → GlossaryCalculating mandrel depths from injection pressure, fluid gradients, and temperature so each valve uncovers the next.
Read → GlossaryThe tie-in where one pipeline connects to another, the custody-transfer meter it creates, and how it is coordinated.
Read → GlossaryThe network of small pipelines that collects production from individual wells and feeds it to central processing or trunk lines.
Read → GlossaryThe pneumatic pressure pilots that trip a wellhead surface safety valve per API 14C by bleeding the control line.
Read → GlossaryCracking tight rock with high-pressure fluid and holding it open with proppant - stages, plug-and-perf, pressure.
Read → GlossaryThe primary vessel that does the bulk gas-liquid split at a facility or plant inlet - internals, control, and its role.
Read → GlossaryHow gas burned as fuel, flared, or vented on-lease is quantified so produced minus disposed equals sold gas.
Read → GlossaryThe two opposite separator failures: liquid out the gas outlet at high level, and gas out the dump at low level.
Read → GlossaryThe small pre-frac injection whose monitored pressure decline yields closure pressure, leakoff, and reservoir pressure.
Read → GlossaryA density trap below the flare tip that holds a light-gas pocket to block air ingress and flashback into the stack.
Read → GlossaryThe deethanizer-depropanizer-debutanizer train that splits y-grade NGL into purity products.
Read → GlossaryIntersecting inflow and outflow curves to find a well's operating point and size its lift method.
Read → GlossaryThe magnetic or acoustic sensor at the lubricator that tells the controller the plunger reached surface and how fast.
Read → GlossaryDeliquifying gas wells with a free-traveling plunger and the well's own gas - the cycle, liquid loading, and control - explained.
Read → GlossaryThe shut-in, flow, and afterflow phases that deload a gas well, timed by a controller and tuned via SCADA.
Read → GlossaryReads refractive index via the critical angle to give inline concentration like Brix or caustic strength for blending and dosing.
Read → GlossaryThe removable pipe that carries oil and gas to surface inside the casing - tubing vs casing and tubing pressure.
Read → GlossaryRestimulating an existing, depleted well to boost recovery via mechanical isolation or chemical diversion.
Read → GlossaryManaging level and throughput so oil, water, and gas get enough settling time to separate without carryover.
Read → GlossaryThe metric that combines with hardware fault tolerance to cap the SIL a subsystem can claim.
Read → GlossaryPipeline-quality gas that meets water, H2S, CO2, dew point, and heating-value specs - and how raw gas gets there.
Read → GlossaryMeeting pipeline water and hydrocarbon dew point limits with dehydration and chilling, controlled without over-treating.
Read → GlossaryThe vessel that splits well fluid into gas, oil, and water - 2-phase vs 3-phase, internals, and level and pressure control - explained.
Read → GlossarySnap-acting dump valves versus modulating throttling control, when each fits, and how proportional band shapes cycling.
Read → GlossaryAn overflow baffle that sets the oil-water split by overflow height, trimming the interface and residence time.
Read → GlossaryMeasuring one well's oil, gas, and water rates through a test separator, including carryover and stabilization concerns.
Read → GlossaryHow steam at the flare tip drives smokeless burning, and why over-steaming quenches the flame - a live ratio to trim.
Read → GlossaryThe column of steel rods that links a pumpjack to the downhole pump - design, grades, and failure.
Read → GlossaryAnnular pressure that rebuilds after being bled off, signaling a barrier or cement failure and demanding integrity attention.
Read → GlossaryThe lease facility where well production is separated, treated, stored in stock tanks, and measured out - equipment and custody - explained.
Read → GlossaryHow one LACT sales total is split back to commingled wells using each well's tested rate and runtime.
Read → GlossaryThe vessel that isolates one well to measure its individual gas, oil, and water rates for testing and allocation.
Read → GlossaryTiming waves diffracted from crack tips to size flaw height, its dead zones, and pairing with PAUT.
Read → GlossaryThe downhole slip device that anchors tubing to casing to stop tubing breathing and wear in rod-pumped wells.
Read → GlossaryThe tightest curve a tube can take without kinking, flattening, or restricting the sensing flow inside.
Read → GlossaryThe wellhead spool that suspends the tubing, seals the tubing annulus, and taps it for monitoring.
Read → GlossaryTrending the surface flowing temperature at the wellhead to flag rate changes, hydrate and wax risk, and choke cooling.
Read → GlossaryThe outflow side of nodal analysis: the bottomhole pressure a well needs to lift each rate up the tubing.
Read → GlossaryThe simplest separator - gas-liquid split, vertical vs horizontal selection, and a single liquid dump - explained.
Read → GlossaryThe surface drive that varies ESP frequency to match inflow - soft start, down-thrust, and gas handling explained.
Read → GlossaryThe level-controlled valve that discharges separated water from a vessel, in snap-acting or throttling form.
Read → GlossaryThe pressure-sealing surface assembly of an oil or gas well - components, function, and how it supports the Christmas tree - explained.
Read → GlossaryThe high/low pressure pilot that trips the safety valve with no electronics when flow-line pressure strays.
Read → GlossaryThe surface pressure that summarizes a well - flowing tubing vs casing vs shut-in pressure, and what trends reveal.
Read → GlossaryThe practical I/O budget for a wellsite RTU - the analog and discrete points, plus 20 percent spare.
Read → GlossaryThe field enclosure packaging RTU, radio, solar controller, battery, and I/O into one rated unit.
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