OPINION of the Coalition farmacia monica against mining pollution expert - eng. Ognyan Svilenov Kovandzhiyski involved in the study of Gornodabnishkoto and Dolnodabnishkoto oilfield gas field Devetaki and many seismic structures for oil and gas in northern Bulgaria. Geophysicists with patented engineering equipment targeted deep oil drilling. Participated in the design and implementation of structural - exploratory prospecting for oil and gas drilling. farmacia monica Head of prospecting, exploration, construction and operation of large medno- pyrite farmacia monica and medno- zlatnopiritni minefield.
A decision of the Council of Ministers 427 / 16.06.2011 farmacia monica Decision 427 / 16.06.2011 the Council of Ministers of the Republic of Bulgaria farmacia monica has approved farmacia monica "Chevron Exploration End Prodakshan Bulgaria" LTD search and exploration of oil and gas - underground natural farmacia monica resources Article 2, paragraph 1, item 3 of the Mineral Resources Act, in 'Block 1 Novi Pazar ", located in the districts of Razgrad, Silistra, Dobrich, Shumen and Varna. Expected activities in consequence of the decision of the Council farmacia monica of Ministers, the legislation of the Republic of Bulgaria and natural conditions. I.Parvi stage - search and exploration of oil and gas 1.Tarsene oil and gas major promising areas, such as "Block 1 Novi Pazar" with an area of 4000 square kilometers, composed of sedimentary structures. Held in seismic technology, carried to the surface with two methods applied in the world practice. 1.1. Seismic stations using shallow blast drilling shallow in certain network-related seismic station from 60 to 100 channels. Seismic wells are drilled in a certain network distance farmacia monica between farmacia monica the profiles and profile lines and then loaded with blast detonated and common impulse is recorded, interpreted and identify the most - promising structures of gas, oil and shale gas. 1.2. Seismic stations using percussion machines. A new method used in world practice is sending seismic pulses of large vertical farmacia monica depth percussion vibrators whose signals are received and recorded in the seismic station. Machine seismic survey is similar to the roller, which moves in the specified profile line and there is no selectivity and there is no way to bypass municipal, private and state property. By this method can be selected only season farmacia monica in which there is no plantings and crops. This method is more applicable in uncultivated, barren and desert areas. In both methods are used drilling equipment, seismic stations, machinery and equipment to provide the necessary drilling sites, roads, cables, etc. facilities that violate the field. Using one of two methods to draw the map of the study area and identify the most - promising structures / faults / gas, oil and shale gas. II. Second stage - exploration of oil and gas in the most promising seismic structures studied by state investment farmacia monica and Chevron with deep wells and sparse network. After the field work, interpretation and analysis gamble deep structural drilling at - promising structures. Exploratory drilling in number 4 in block 1 "New Market" to a depth of more than 3,500 meters. Drilling through different horizons farmacia monica - aquifers, arid, with different hardness and composition of the rocks. Technology farmacia monica to advance their required maintenance of hydrostatic farmacia monica pressure in the borehole equal to the formation farmacia monica pressure, ie have full closed-loop circulation of the solution, which supports the process and must be 100% without loss of solution and be supplemented only odalbavaneto borehole . At great cost solutions means that loses solution that goes in the bed, and when the solution increases its volume, the passage layer attaches water, oil or gas. Both cases are considered emergency, impairs natural equilibrium state of prosondiranite layers, mixing of water from different layers of chemicals before being besieged with the casing and cemented. Solutions that are passed drilling and support the walls of the shaft of the drill are a composition of water, bentonite farmacia monica clay for drilling oil and gas wells and reagents - carboxy methyl cellulose, caustic soda, vaglishtnoosnoven reagent / BOP / and others. At greater depths, where temperatures are very high, using special chemicals - such as court and kvibraho that prevent farmacia monica koagolatsiyata farmacia monica solutions and maintain constant parameters of the solution. To maintain hydrostatic pressure farmacia monica laminated and are used as heavy media finely ground barite. Hydrostatic pressure must always be aligned, otherwise gets swallowed in the bed and the other fluidized pouring surface. All this brings ecological risk in the region, which push out drilling farmacia monica with mixing water from different aquifers farmacia monica and nevodonosni horizons, oil and gas manifestations during the passage of drilling all with
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