Question

methods of preservation of core and precautions during this​

Answer 1

Answer:

Considerable resources are invested in core analysis programs designed to furnish information on geological and petrophysical rock properties and on engineering and completion data.[1] The economic implications of the accuracy and credibility of the data obtained from these analyses can be significant, especially in equity determinations. It is important to obtain data that relate as closely as possible to virgin reservoir conditions. Thus, alteration of the core during recovery, wellsite handling, shipment, and storage must be minimized.

Explanation:

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Answer 2

There are two methods of preservation of core.

Explanation:

• The methods of core preservation is wet and dry method.
• Sealing in air tight metal cans ; sealing in plastic, rubber, steel, aluminum or fiberglass tubes ; sealing in plastic bags ; coating with wax or plastic ; sealing in laminated; heat-sealable packages  and freezing with dry ice are the dry methods of preservation of core.
• Wet method of preservation of core is sealing in anaerobic jars or polycarbonate, steel, glass, or PVC containers with brine, oil or other fluids.
• Simple method of preservation of core is polyethylene Bag  ,oxygen absorbing Pack  and bag sealer .
• Precautions during preservation of core is keep the core in correct sequence, minimize core alteration, prevent breakage during shipment and storage and preserve the volume and distribution of the core fluids.

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