FWhitehurst sandbox

• Fracking can be found under Stimulation
• Reservoir quality has a good table of porosity types

How to do an external link: Water compressibility

How to do a Wikipedia link: viscosity

For a pdf, add http://

To add a figure, download to the desktop, then upload to a new wiki tab, then to the page. For format, see Permian page.

Definitions and/or links for future use

• API gravity see oil gravity
• acoustic impedance see impedance
• adsorption http://www.merriam-webster.com/dictionary/adsorption
• age Wikipedia:Age (geology)
• algae http://dictionary.reference.com/browse/algae
• alkane http://www.chemistry-dictionary.com/definition/saturated+hydrocarbons.php
• allochthonous http://www.thefreedictionary.com/allochthonous
• amplitude http://wiki.seg.org/wiki/Dictionary:Amplitude
• Amplitude anomaly http://wiki.seg.org/wiki/Dictionary:Amplitude_anomaly
• anaerobic http://dictionary.reference.com/browse/anaerobic
• angular unconformity or discontinuity Wikipedia:Unconformity#Angular_unconformity
• annular blowout preventer http://www.glossary.oilfield.slb.com/en/Terms/a/annular_blowout_preventer.aspx
• annulus http://www.glossary.oilfield.slb.com/en/Terms/a/annulus.aspx
• anoxic http://www.merriam-webster.com/dictionary/anoxic
• anthracite http://www.britannica.com/EBchecked/topic/27447/anthracite
• anticline http://www.glossary.oilfield.slb.com/en/Terms/a/anticline.aspx
• API gravity http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=API%20gravity
• aquifer http://water.usgs.gov/edu/earthgwaquifer.html
• arenaceous http://www.oxforddictionaries.com/us/definition/american_english/arenaceous
• argillaceous http://www.merriam-webster.com/dictionary/argillaceous
• arkose http://geology.about.com/od/rocks/ig/sedrockindex/rocpicarkose.htm
• aromatic hydrocarbon Wikipedia|Aromatic hydrocarbon
• arrival time http://wiki.seg.org/wiki/Dictionary:Arrival_time
• ash bed Wikibooks:Historical_Geology/Volcanic_ash
• asphaltene http://petrowiki.org/Asphaltenes_and_waxes
• aulacogen http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=aulacogen
• authigenic http://dictionary.reference.com/browse/authigenic
• Basalt http://geology.com/rocks/basalt.shtml
• Basic (igneous) rocks basic
• bathyal http://www.thefreedictionary.com/bathyal
• benthic http://www.thefreedictionary.com/benthic
• bioclast https://wwwf.imperial.ac.uk/earthscienceandengineering/rocklibrary/viewglossrecord.php?gID=00000000267
• biodegradation http://www.oiltracers.com/services/exploration-geochemistry/oil-biodegradation.aspx
• bioevent Wikipedia:Bioevent
• biomass energy http://www.nrel.gov/learning/re_biomass.html
• bit http://www.glossary.oilfield.slb.com/en/Terms/b/bit.aspx
• blind ram http://www.glossary.oilfield.slb.com/en/Terms/b/blind_shear_ram.aspx
• blowout Wikipedia:Blowout (well drilling)
• blowout preventer, BOP http://www.glossary.oilfield.slb.com/en/Terms/b/blow_out_preventer.aspx
• bituminous http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Bituminous_coal.html
• bottom simulating reflector http://wiki.seg.org/wiki/Dictionary:Bottom-simulating_reflector_%28BSR%29
• BOP http://www.glossary.oilfield.slb.com/en/Terms/b/blow_out_preventer.aspx
• Bouguer anomaly or correction Wikipedia:Bouguer anomaly
• boundary value problem Wikipedia:Boundary value problem
• bridge (drilling) http://www.glossary.oilfield.slb.com/en/Terms/b/bridge.aspx
• bulk density http://physics.about.com/od/fluidmechanics/f/density.htm
• caliche http://www.merriam-webster.com/dictionary/caliche
  • Done 9-5-14
• caprock, cap rock http://www.oxforddictionaries.com/us/definition/american_english/cap-rock
  • Done 9-5-14
• carbonate compensation depth http://geology.about.com/od/glossaryofgeology/fl/CCD.htm
• casing http://www.glossary.oilfield.slb.com/en/Terms/c/casing.aspx
• casing point http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=casing%20point
• cataclasis http://dictionary.infoplease.com/cataclasis
• Cathodoluminescence www.geology.wisc.edu/~johnf/g777/CL/Gotze-CL-2002.pdf
• catwalk http://www.glossary.oilfield.slb.com/en/Terms/c/catwalk.aspx
• cephalic http://www.merriam-webster.com/dictionary/cephalic
• charge Calculating charge volume
  • Done as of 9-12-14
  • Charging done as of 11-17-14
• checkshot Checkshots_and_vertical_seismic_profiles#Checkshot_surveys
• chert http://geology.com/rocks/chert.shtml
• choke line http://www.glossary.oilfield.slb.com/en/Terms/c/choke_line.aspx
• chordate http://www.merriam-webster.com/dictionary/chordate
• chronostratigraphic unit http://www.stratigraphy.org/upload/bak/chron.htm
• clastic http://www.merriam-webster.com/dictionary/clastic
• clathrate see gas hydrate
• clinoform http://unterm.un.org/DGAACS/unterm.nsf/8fa942046ff7601c85256983007ca4d8/6d701a3f58b3c00d852570d70052c711?OpenDocument
• closure http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=closure
• compaction [[Reservoir_quality#Compaction|
• compressional wave http://wiki.seg.org/wiki/Dictionary:P-wave
• condensate http://www.glossary.oilfield.slb.com/en/Terms/c/condensate.aspx
• conglomerate Wikipedia:Conglomerate_(geology)
• continental shield: See shield
• coral http://animals.nationalgeographic.com/animals/invertebrates/coral/
• Cracking http://www.chemguide.co.uk/organicprops/alkanes/cracking.html
• craton http://www.merriam-webster.com/dictionary/craton
• crossline smearing http://wiki.seg.org/wiki/Crossline_smearing
• curvature analysis http://docs.mcneel.com/rhino/5/help/en-us/commands/curvatureanalysis.htm
• derrick http://www.glossary.oilfield.slb.com/en/Terms/d/derrick.aspx
• derrick floor http://www.glossary.oilfield.slb.com/en/Terms/d/derrick_floor.aspx
• desorption http://en.wiktionary.org/wiki/desorption
• detrital http://www.thefreedictionary.com/Detrital
• diachronous http://www.thefreedictionary.com/diachronous
• decollement http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=decollement
• density (but not density log) http://physics.about.com/od/fluidmechanics/f/density.htm
• Depositional sequence Definitions_of_depositional_system_elements#Depositional_cycle_vs._sequence
• doghousehttp://www.glossary.oilfield.slb.com/en/Terms/d/doghouse.aspx
• downlap http://www.glossary.oilfield.slb.com/en/Terms/d/downlap.aspx
• downward continuation (gravity and magnetics) http://wiki.seg.org/wiki/Dictionary:Downward_continuation
• drawworks http://www.glossary.oilfield.slb.com/en/Terms/d/drawworks.aspx
• drill stem http://www.glossary.oilfield.slb.com/en/Terms/d/drillstem.aspx
• drill string http://www.glossary.oilfield.slb.com/en/Terms/d/drillstring.aspx
• drilling fluid http://www.glossary.oilfield.slb.com/en/Terms/d/drilling_fluid.aspx
• dry gas http://www.britannica.com/EBchecked/topic/172274/dry-gas
• elastic, elastic dformation http://wiki.seg.org/wiki/Dictionary:Elastic_deformation
• electron microprobe wikipedia:Electron microprobe
• elecron spin resonance dating http://www.geographie.uni-koeln.de/esr.338.de.html
• Elution http://www.thefreedictionary.com/elution
  • did this one 9/4/14
• epoch Wikipedia:Epoch (geology)
• equipotential Wikipedia:Equipotential
• era Wikipedia:Era (geology)
• ethane http://pubchem.ncbi.nlm.nih.gov/rest/chemical/ethane
• eustasy, eustatic http://www.sepmstrata.org/Terminology.aspx?id=eustatic
• Extrusive Wikipedia:Volcanic_rock
• finite element modeling http://www.me.berkeley.edu/~lwlin/me128/FEMNotes.pdf
• fluid inclusion, fluid inclusion analysis http://www.geotrack.com.au/fluidinclusion.htm
• fluvial, fluviatile http://www.merriam-webster.com/dictionary/fluvial
• foraminifera http://www.ucmp.berkeley.edu/foram/foramintro.html
• forced regression http://www.sepmstrata.org/Terminology.aspx?id=forced%20regression
• foreset http://geography_glossary.enacademic.com/578/foreset_beds
• fossil fuel https://www.udemy.com/blog/types-of-fossil-fuels/
• fracture gradient http://www.glossary.oilfield.slb.com/en/Terms/f/fracture_gradient.aspx
  • Done as of 11-17-14
• frequency http://wiki.seg.org/wiki/Dictionary:Frequency
• Fresnel zone http://wiki.seg.org/wiki/Dictionary:Fresnel_zone
• gas cap http://www.glossary.oilfield.slb.com/en/Terms/g/gas_cap.aspx
• gas hydrate http://www.oilgae.com/ref/glos/gas_hydrates.html
• gas-oil ratio http://www.enggcyclopedia.com/2012/03/gas-oil-ratio-gor/
• gas stripping http://www.gazprominfo.com/terms/topping-gas/
  • I linked this one throughout 9-3-14
• gaussian curvature [[Wikipedia:Gaussian curvature]
• geochronology http://www.britannica.com/EBchecked/topic/229486/geochronology
• geopressure http://www.glossary.oilfield.slb.com/en/Terms/g/geopressure.aspx
  • Done as of 11-15-14
• geothermal gradient http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=geothermal%20gradient
• Gondwana [[Wikipedia:Gondwana|
• GOR see gas-oil ratio
• gouge http://uts.cc.utexas.edu/~rmr/E-rock/gougezone.html
• Granite http://geology.about.com/od/more_igrocks/a/granite.htm
• Granodiorite https://wwwf.imperial.ac.uk/earthscienceandengineering/rocklibrary/viewglossrecord.php?gID=00000000073
• gravity flow deposit - See sediment gravity flow
• greenhouse gas http://www.eia.gov/oiaf/1605/ggccebro/chapter1.html
• head See hydraulic head
• heave Wikipedia:Fault_(geology)#Slip.2C_heave.2C_throw
• highstand Sea_level_cycle_phase_and_systems_tracts#Highstand_systems_tracts
• hemipelagic http://www.encyclopedia.com/doc/1O13-hemipelagicsediment.html
• hydraulic aperture http://www.taskgeoscience.com/glossary.asp?id=88
• hydraulic head Wikipedia:Hydrogeology#Hydraulic_head
• impedance http://wiki.seg.org/wiki/Dictionary:Acoustic_impedance
• inertinite Wikipedia:Inertinite
• interference (seismic) http://wiki.seg.org/wiki/Dictionary:Interference
• Interval velocity http://wiki.seg.org/wiki/Dictionary:Interval_velocity
• Intrusive [1]
• irreducible water saturation http://petrowiki.org/Glossary%3AIrreducible_water_saturation
• isochronous http://en.wiktionary.org/wiki/isochronous
• isolith map http://encyclopedia2.thefreedictionary.com/isolith+map
• isostasy http://www.hko.gov.hk/education/edu06nature/ele_isostasy_e.htm
• Isotope analysis, stable isotope techniques, etc. Wikipedia:Isotope geochemistry
  • I have linked this as of 8-28-14
• isotopic dating http://geology.about.com/od/geotime_dating/a/timeyardstick.htm
• isotropic http://www.merriam-webster.com/dictionary/isotropic
• kelly http://www.glossary.oilfield.slb.com/en/Terms/k/kelly.aspx
• kelly bushing http://www.glossary.oilfield.slb.com/en/Terms/k/kelly_bushing.aspx
• kelly hose http://www.glossary.oilfield.slb.com/en/Terms/k/kelly_hose.aspx
• kerogen http://www.thefreedictionary.com/kerogen
• kill line http://www.glossary.oilfield.slb.com/en/Terms/k/kill_line.aspx
• kinematics (in structural geology) Wikipedia:Structural_geology#Kinematics
• kitchen http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=oil%20kitchen
• Kozeny equation Wikipedia:Kozeny–Carman equation
• lacustrine http://www.merriam-webster.com/dictionary/lacustrine
• leakoff test http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=leakoff%20test
• light hydrocarbons http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=light%20hydrocarbons
• lignite https://www.lignite.com/about-lignite/
• lithic http://www.thefreedictionary.com/lithic
• lithology http://www.thefreedictionary.com/lithology
• lithostratigraphic http://www.stratigraphy.org/upload/bak/litho.htm
• lowstand Sea_level_cycle_phase_and_systems_tracts#Lowstand_systems_tracts
• macroporous, macropore(s) http://en.wiktionary.org/wiki/macroporous
• makeup tongs http://www.glossary.oilfield.slb.com/en/Terms/m/makeup_tongs.aspx
• matrix http://www.britannica.com/EBchecked/topic/369508/matrix
• mass density http://physics.about.com/od/fluidmechanics/f/density.htm
  • Do not use the Wikipedia page unless it is improved (8-28-14) I have linked this as of 8-28-14
• maximum flooding surface Definitions_of_depositional_system_elements#Maximum_flooding_surface
• mesoporous Wikipedia:Mesoporous material linked
  • 9-4-14
• metazoan http://www.merriam-webster.com/dictionary/metazoan
• methane http://scifun.chem.wisc.edu/chemweek/methane/methane.html
• micrite http://www.britannica.com/EBchecked/topic/88841/micrite
• micrometer http://www.merriam-webster.com/dictionary/micrometer
• micropore, microporous Wikipedia:Microporous material
• mid-Atlantic ridge https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Mid-Atlantic_Ridge.html
• migration pathway map Migration pathway map construction
• molecular filtering, molecular sieve Wikipedia:Molecular sieve
• mollusk http://www.merriam-webster.com/dictionary/mollusk
• monkey board http://www.glossary.oilfield.slb.com/en/Terms/m/monkey_board.aspx
• mud (drilling mud) http://www.glossary.oilfield.slb.com/en/Terms/m/mud.aspx
• multiple regression http://www.statsoft.com/textbook/multiple-regression
• mylonitization http://encyclopedia2.thefreedictionary.com/mylonitization
• n-alkanes Wikipedia:Alkane#Linear_alkanes
• nappe http://www.merriam-webster.com/dictionary/nappe
• natural gas http://www.glossary.oilfield.slb.com/en/Terms/n/natural_gas.aspx
  • better than link to our page in many cases
• neritic http://www.onr.navy.mil/focus/ocean/regions/bluewater1.htm
• offlap http://www.answers.com/topic/offlap
• oil-based mud [[Drilling_fluid#Oil-based_muds|
• oil biodegradation http://www.oiltracers.com/services/exploration-geochemistry/oil-biodegradation.aspx
  • 9-4-14
• oil gravity Wikipedia:API gravity
• oil kitchen - see kitchen
• oil leg http://www.answers.com/Q/What_is_oil_leg_reservoir
• oil wet http://www.glossary.oilfield.slb.com/en/Terms/o/oil_wet.aspx
• oil window https://answers.yahoo.com/question/index?qid=1006020200796
• onlap http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=onlap
• Ophiolite http://geology.about.com/od/platetectonics/a/ophiolite.htm
• Orogen definition[http://www.merriam-webster.com/dictionary/orogen
  • (but I made a page for Orogeny)
• outcrop http://www.merriam-webster.com/dictionary/outcrop
• overgrowth http://bio-geo-terms.blogspot.com/2006/10/overgrowth.html
• overpressure http://en.wikipedia.org/wiki/Geologic_overpressure
• oxidation see reduction
• P wave http://wiki.seg.org/wiki/Dictionary:P-wave
• palinspastic http://www.merriam-webster.com/dictionary/palinspastic
• paraffin dirt http://encyclopedia2.thefreedictionary.com/paraffin+dirt
• peat http://www.peatsociety.org/peatlands-and-peat/what-peat
• pelagic http://www.merriam-webster.com/dictionary/pelagic
• permafrost http://ipa.arcticportal.org/resources/what-is-permafrost
• photosynthesis http://www.merriam-webster.com/medical/photosynthesis
• pinch out http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=pinch%20out
• pipe ram http://www.glossary.oilfield.slb.com/en/Terms/p/pipe_ram.aspx
• planktonic http://www.thefreedictionary.com/planktonic
• plastic flow http://dictionary.reference.com/browse/plastic+flow
• plastic strain http://www.thefreedictionary.com/plastic+strain
• poikilotopic http://encyclopedia2.thefreedictionary.com/poikilotopic
• Polarizing microscope http://dictionary.reference.com/browse/polarizing+microscope
• porcellanite http://www.britannica.com/EBchecked/topic/470558/porcellanite
• pore pressure http://www.glossary.oilfield.slb.com/en/Terms/p/pore_pressure.aspx
• pressure Wikipedia:Pressure
• pressure solution http://www.erictwelker.com/pressuresolution.htm
• propanehttp://www.propanecouncil.org/council/what-is-propane/
• protists http://www.biologycorner.com/lesson-plans/phyla/kingdom-protista/
• provenance http://encyclopedia2.thefreedictionary.com/provenance
• pyrite Wikipedia:Pyrite
• radiograph - see x radiograph
• radiometric dating http://dictionary.reference.com/browse/radiometric+dating
• rathole http://www.glossary.oilfield.slb.com/en/Terms/r/rathole.aspx
• receiver [http://wiki.seg.org/wiki/Dictionary:Receiver
• reduction,redox Wikipedia:Redox
• reflection http://wiki.seg.org/wiki/Dictionary:Reflection
• reflector http://wiki.seg.org/wiki/Dictionary:Reflector
• resting cyst, resting spore http://www.thefreedictionary.com/resting+spore
• roll over, rollovers, rollover anticlines http://structuralgeology.50webs.com/pagef21.htm
• rose diagram http://www.answers.com/topic/rose-diagram
• rotary bushing http://www.glossary.oilfield.slb.com/en/Terms/r/rotary_bushing.aspx
• rotary table http://www.glossary.oilfield.slb.com/en/Terms/r/rotary_table.aspx
• rudist http://www.ucmp.berkeley.edu/taxa/inverts/mollusca/rudists.php
• S wave http://wiki.seg.org/wiki/Dictionary:S-wave
• saddle dolomite http://www.minersoc.org/pages/Archive-MM/Volume_53/53-373-547.pdf
• salt withdrawal structures and basins http://www.beg.utexas.edu/indassoc/agl/pubs/Withdrawal.pdf
• saturated hydrocarbons See alkanes
• sediment gravity flow http://cdn.intechopen.com/pdfs-wm/25729.pdf
• seismic facies http://wiki.seg.org/wiki/Dictionary:Seismic_facies
• seismic reflection http://wiki.seg.org/wiki/Dictionary:Reflection
• seismic trace http://wiki.seg.org/wiki/Dictionary:Seismic_trace
• seismicity http://earthquake.usgs.gov/learn/glossary/?term=seismicity
  • 9-5-14
• semilog http://www.merriam-webster.com/dictionary/semilogarithmic
• Sequence boundary Definitions_of_depositional_system_elements#Sequence_boundaries
• shale compaction curve http://archives.datapages.com/data/bulletns/1984-85/data/pg/0069/0004/0600/0622.htm
• shale shaker http://www.glossary.oilfield.slb.com/en/Terms/s/shale_shaker.aspx
• shear ram see blind ram
• shear wave http://wiki.seg.org/wiki/Dictionary:S-wave
• shelf, continental shelf http://education.nationalgeographic.com/education/encyclopedia/continental-shelf/?ar_a=1
• shelf margin systems tract Systems_tracts_and_trap_types#Shelf_margin_systems_tract_traps
• shield http://www.merriam-webster.com/concise/continental%20shield
• silica phase transformation http://www.quartzpage.de/gen_mod.html
• Slate http://flexiblelearning.auckland.ac.nz/rocks_minerals/rocks/slate.html
• slide http://www.glossary.oilfield.slb.com/en/Terms/s/slide.aspx
• slip Wikipedia:Fault_(geology)#Slip.2C_heave.2C_throw
• slope, continental slope http://www.thefreedictionary.com/continental+slope
• solubility Wikipedia:Solubility
• species http://evolution.berkeley.edu/evosite/evo101/VADefiningSpecies.shtml
• spill point http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=spill%20point
• strain [[Wikipedia:Deformation_(mechanics)#Strain|
• stress Wikipedia:Stress (mechanics)
• stylolite http://www.merriam-webster.com/dictionary/stylolite
• subbituminous http://energy.about.com/od/Coal/a/Sub-Bituminous-Coal.htm
• substrate [[Wikipedia:Substrate (biology)
• suction pit http://www.glossary.oilfield.slb.com/en/Terms/s/suction_pit.aspx
• surface tension http://hyperphysics.phy-astr.gsu.edu/hbase/surten.html
• surge tank http://www.glossary.oilfield.slb.com/en/Terms/s/surge_tank.aspx
• swab http://www.glossary.oilfield.slb.com/en/Terms/s/swab.aspx
• syncline http://www.glossary.oilfield.slb.com/en/Terms/s/syncline.aspx
• systems tracts Definitions_of_depositional_system_elements#Systems_tracts|
• temperature Wikipedia:Temperature
• terrane Wikipedia:Terrane
• terrigenous http://www.thefreedictionary.com/terrigenous\
• throw Wikipedia:Fault_(geology)#Slip.2C_heave.2C_throw
• tomography http://www.merriam-webster.com/medical/tomography
• toplap http://homepage.ufp.pt/biblioteca/Seismic/Pages/Page22.htm
• topset http://www.merriam-webster.com/dictionary/topset%20beds
• trace http://wiki.seg.org/wiki/Dictionary:Seismic_trace
• transgression Wikipedia:Marine transgression
• transgressive systems tracts Sea_level_cycle_phase_and_systems_tracts#Transgressive_systems_tracts
• transmitted light microscope http://www.gonda.ucla.edu/bri_core/trlight.htm
• traveling block http://www.glossary.oilfield.slb.com/en/Terms/t/traveling_block.aspx
• traveltime http://wiki.seg.org/wiki/Dictionary:Traveltime
• Ultrabasic (igneous rocks) https://wwwf.imperial.ac.uk/earthscienceandengineering/rocklibrary/viewglossrecord.php?gID=00000000012
• underpressure http://www.glossary.oilfield.slb.com/en/Terms/u/underpressure.aspx
• upward continuation (in gravity and magnetics) http://wiki.seg.org/wiki/Dictionary:Upward_continuation
• v door http://www.glossary.oilfield.slb.com/en/Terms/v/vee-door.aspx
• vertical seismic profle (VSP) http://wiki.seg.org/wiki/Dictionary:Vertical_seismic_profiling_%28VSP%29
• vitrinite http://www.glossary.oilfield.slb.com/en/Terms/v/vitrinite.aspx
• volcanic flow http://geology.campus.ad.csulb.edu/people/bperry/IgneousRocksTour/VolcanoesAndLavaFlows.html
• volcanics - see extrusives
• vug http://www.merriam-webster.com/dictionary/vug
• water wet http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=water-wet
• wrench fault http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=wrench%20fault
  • 9-23-14
• x radiograph, radiograph, x ray http://www.thefreedictionary.com/radiograph
• yield strength http://dictionary.reference.com/browse/yield+strength

American Petroleum Institute

blow out preventer

gas-oil ratio