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1. Gas behaviour
Presented by “Petroleum Capsules” Channel on You tube
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

2. GENERAL RULES FOR GAS
• GAS EXPANDS AS IT IS CIRCULATED UP HOLE
• GAS EXPANSION REDUCES HYDROSTATIC
• CASING (BACK) PRESSURE INCREASES TO
COMPENSATE FOR REDUCTION IN HYDROSTATIC
• IF KILL IS CARRIED OUT CORRECTLY!
GAS

3. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT ABOVE
GAS INFLUX WILL BE INCREASING

4. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT ABOVE
GAS INFLUX WILL BE INCREASING
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

5. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT ABOVE
GAS INFLUX WILL BE INCREASING
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

6. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT ABOVE
GAS INFLUX WILL BE INCREASING
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

7. GENERAL RULES FOR GAS
GAS
AS GAS PASSES THE SHOE
PRESSURE DROPS A SMALL AMOUNT
DU TO THE CHANGE IN HOLE
GEOMETRY.
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

8. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT BELOW
GAS INFLUX WILL BE CONSTANT
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

9. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT BELOW
GAS INFLUX WILL BE CONSTANT
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

10. GENERAL RULES FOR GAS
GAS
PRESSURE AT ANY POINT BELOW
GAS INFLUX WILL BE CONSTANT
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

11. • Gas expands as it is circulated up the hole
• Gas expansion reduces hydrostatic
• Casing (back) pressure increases to compensate for reduction in
hydrostatic
• If kill is carried out correctly;
Pressure at any point above gas influx will be increasing
GAS As gas passes then pressure drops
Pressure at any point below gas influx will be constant
Gas behaviour
E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar

12. Thanks for your interest
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E.Abdullah Mahmoud YouTube: Petroleum Capsules
Email: PE.abdullah36@gmail.com FB: www.FB.com/abdullah.amar