Records of the Geological Survey of IndiaThe Survey, 1930 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 390
... mud fluid of not less than 70 lbs . per cubic foot shall be used whilst drilling wells and that the mud column shall be Approved mudding ' maintained to the surface at all times . In practice . addition to the ' mudding ' of the ...
... mud fluid of not less than 70 lbs . per cubic foot shall be used whilst drilling wells and that the mud column shall be Approved mudding ' maintained to the surface at all times . In practice . addition to the ' mudding ' of the ...
Page 391
... fluid the specific gravity of which is greater than that of water . The specific gravity of mud fluids used in rotary practice varies from 1.05 to 1.8 . It is theoretically possible , therefore , to control pressures 80 per cent . in ...
... fluid the specific gravity of which is greater than that of water . The specific gravity of mud fluids used in rotary practice varies from 1.05 to 1.8 . It is theoretically possible , therefore , to control pressures 80 per cent . in ...
Page 392
... mud fluid is feathered ' depends on its viscosity or thickness ' . It is possible to mix a 100 lbs . ( per cubic foot ) mud fluid using good quality clay and water , but such a fluid is so thick that it is difficult to handle with the ...
... mud fluid is feathered ' depends on its viscosity or thickness ' . It is possible to mix a 100 lbs . ( per cubic foot ) mud fluid using good quality clay and water , but such a fluid is so thick that it is difficult to handle with the ...
Contents
PART | 1 |
An undescribed species of Cyllene from the Pegu Beds of Burma | 5 |
On the occurrence of a small dome near Mari in the Attock District | 17 |
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ablation valley alluvium ash-free average Barakar barrels beds Bihar Bihar and Orissa Burma caking durains cent chaung Chhibber Chong Kumdan clay coal coalfield corallites Cotter deposits depth district drilling east field figs formation fossils gas-oil ratio Geol Geological Survey glacier gneisses Gondwana granite Height of Snout Hispar horizons Hunza Hunza river increase India Irrawadian jadeite Karakoram limestone lower Messrs minerals Mining moisture moraine mud fluid Murree Myitkyina district névé Nummulitic occur Orissa outcrops P. L. Renewal period phyllites production Punjab Quantity Raniganj Records recovery repressuring retreat river rocks rotary Salt sand sandstones schists seams septa shales Sheet 43 Shingshal shows Shwebo Shyok Siwalik Southern Shan specific gravity specimens strata surface Surv Survey of India TABLE thick tion tons valued Trias Upper valley Visser vitrain Wadia zone