# Well stimulation methods

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Practical work No. 1 "CALCULATIONS WHEN HYDRAULIC SAND PUNCHING IS PERFORMED"

Purpose of the lesson: To learn how to make calculations when conducting GLP
Class hours: 90 min.

Calculate the process of sandblasting perforation at a depth of L = 2600. the well has a production casing with a nominal diameter D = 146 mm and a wall thickness S = 8 mm. During processing, a tubing string with a conditional diameter d = 73 mm, s = 5.5 mm is used.
Apply nozzles with a diameter of dH = 4.5 mm. Pressure drop 28.3 MPa. Strength group of tubing D. For tubing made of steel of strength group D, the straining load is d = 0.073 m, P = 388KN.
The number of nozzles of a sandblasting puncher is 4. Pressure losses in the nozzles are d = 5 mm - 18 MPa.
Practical work No. 2 “CALCULATION OF PROCESSING OF BOTH ZONE WITH A SUR SOLUTION”

Purpose of the lesson: To learn how to carry out calculations when working on the processing of PZP surfactants
Practical work No. 3 “CALCULATIONS WHEN CARRYING OUT THE ACID WELLTING OF WELLS”

Purpose of the lesson: To learn how to carry out calculations when conducting acid treatment of a well
Determine the required amount of reagents and draw up a plan for processing the bottom-hole formation zone with hydrochloric acid for the following conditions: well depth 2750; open collector thickness h = 25 m; production casing diameter 0.168 m; the outer diameter of the tubing d = 0,073 m
Initially, a well-permeable porous carbonate formation is treated with a 15% hydrochloric acid solution at the rate of 1 m3 of solution per 1 m of the formation thickness. Acid density at 25 ° C ρ25 = 1134 kg / m3.
Practical work No. 4 “DETERMINATION OF THE DEGREE OF GROWTH OF OIL WELL DEBIT AS A RESULT OF HYDROXYLOGENIC PROCESSING”

To determine the degree of increase in oil production rate as a result of hydrochloric acid treatment, which ensures the restoration of the permeability of the bottom hole to the level of average permeability of the productive horizon, you can use the formula:
Practical work No. 5 “DETERMINATION OF THE NUMBER OF PUNCHES”
Purpose of the lesson: Using the source data, it is necessary to determine the number of perforations
Practical work No. 6 “CALCULATION OF THE DEBT OF OIL WELL AFTER PROCESSING OF PZP"
The purpose of the lesson: To learn how to calculate the flow rate of an oil well after processing the PPP.
Class hours: 90 min.
Practical work No. 7 “CALCULATION OF THE DEBIT OF A GAS WELL AFTER PROCESSING A PPP"

The purpose of the lesson: To learn how to calculate the flow rate of a gas well after processing the PPP.

Calculation of the flow rate of a gas well must be carried out according to the Dupuis formula: 