===== Terms beginning with G =====

[[Gal]]

[[Galvanometer]]

[[Galvanometer drift]]

[[Gamma gamma log|Gamma-gamma log]]

[[Gamma ray]]

[[Gamma ray absorption|Gamma-ray absorption]]

[[gamma ray detectors|Gamma-ray detectors]]

[[Gamma ray index|Gamma-ray index]]

[[Gamma ray interactions with matter|Gamma-ray interactions with matter]]

[[Gamma ray log|Gamma-ray log]]

[[Gamma ray source|Gamma-ray source]]

[[Gamma spectometry log]]

[[Gas]]

[[Gas cap]]

[[Gas cap drive|Gas-cap drive]]

[[Gas chromatograph]]

[[Gas condensate]]

[[Gas cone]]

[[Gas cut mud|Gas-cut mud]]

[[Gas detector]]

[[Gas drilling]]

[[Gas drive]]

[[Gas hydrate]]

[[Gas in solution]]

[[Gas lift]]

[[Gas lift valve|Gas-lift valve]]

[[Gas oil contact|Gas-oil contact]]

[[Gas oil interface|Gas-oil interface]]

[[Gas oil ratio|Gas-oil ratio]]

[[Gas tracer]]

[[Gate]]

[[Gauge hole]]

[[Gauge ring]]

[[Geiger Mueller counter|Geiger-Mueller counter]]

[[Gel]]

[[Geofluid]]

[[Geolograph]]

[[Geology]]

[[Geometrical factor]]

[[Geophone]]

[[Geopressure]]

[[Geopressure gradient]]

[[Geostatic]]

[[Geostatic load]]

[[Geostatic pressure]]

[[Geothermal]]

[[Geothermal energy]]

[[Geothermal gradient]]

[[Gilsonite]]

[[GL]]

[[Glands]]

[[Globular saturation]]

[[Gooseneck]]

[[Graben]]

[[Grade ore]]

[[Grade thickness]]

[[Gradient]]

[[Gradiomanometer]]

[[Granite]]

[[Grain density]]

[[Grand slam]]

[[Graphic log]]

[[Gravel pack]]

[[Gravel packing]]

[[Gravel pack log]]

[[Gravimeter]]

[[Gravimetry]]

[[Gravity]]

[[Gravity anomaly]]

[[Gravity drainage]]

[[Gravity meter]]

[[Gravity unit]]

[[Graywacke]]

[[Green pattern]]

[[Grid]]

[[Gross count gamma ray tool|Gross-count gamma-ray tool]]

[[Ground electrode]]

[[Ground level]]

[[Ground line]]

[[Ground safety line]]

[[Ground stake]]

[[Guarded electrode]]

[[Guard electrode]]

[[Guard log]]

[[Guard logging tool]]

[[Guard logging sonde]]

[[Guard tool]]

[[Gun]]

[[Gun perforating]]

[[Gusher]]

[[Gypsum]]