10
CASE STUDY #1 Packer Isolation Test
CASE STUDY #1
Packer Isolation Test
Company Pressure Truck CompanyField Name Logger serial # Well Location H2S ContentDate Pass or Fail
Casing Pressure (kPa) = 3721 Tubing Pressure (kPa) = Well Type (see note A) =
Bled pressure to 0.0 kPa and recovered 79.0 litres ofLet well stabilize at 0.0 kPa for 15 minutes. (minimum of 5 minutes)Started a 24 hour pressure build up on xxxx-08-27 at
0 kPa.Finished a 24 hour pressure build up on xxxx-08-28 at
24.0
Comments
Please Note: All class 1 & 2 wells must be pressure tested to 1400 kPa EXCEPT class 1A disposal wells which must be pressured up to 7000 kPa.
NOTE A Well Type NOTE B Fluid Recovery Type1. WATER INJECTION/DISPOSAL (OPERATING) 4. H2S > 5% (SHUT-IN SUSPENDED) 1. GAS (SWEET) 4. WATER (FRESH) 8. OTHER (SPECIFY)
2. WATER INJECTION/DISPOSAL (SHUT-IN/SUSPENDED) 5. GAS INJECTION 2. GAS (SOUR) 5. WATER (SALT)
3. H2S > 5% (PRODUCING) 6. OTHER (SPECIFY) 3. OIL 7. INHIBITED WATER
.
P704NILPass
Initial pressure at start of build up was10:13:00 (date & time) (See Graph)
10:54:40 (date & time) (See Graph)
100/00-00-000-00 W0M/00xxxx-08-27
Final Pressure was kPa. (less than 3% is a pass)
diesel
1
PACKER ISOLATION TEST CASE #1Case 1: Casing pressure is greater than 1400 kPa upon arrival
Golden Company Ltd. Pressure Company
952
Black Gold
0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 Time (hours)
-100.0
-80.0
-60.0
-40.0
-20.0
0.0
20.0
40.0
60.0
80.0
100.0
Pressure kPa
4.2
6.1
7.9
9.8
11.7
13.6
15.4
17.3
19.2
21.0
22.9
Temperature C
Company:Field:
Surface Location:Downhole Location:
Start Date:End Date:
Logger ID:
Golden Company Ltd.PIT - BU00-00-000-00 W0M100/00-00-000-00 W0M/00
P704
xxxx-08-27 10:13:00xxxx-08-28 10:54:40
Pressure Plot
CASE STUDY #2
Packer Isolation Test
Company Pressure Truck CompanyField Name Logger serial # & FilenameWell Location H2S ContentDate Pass or Fail
Casing Pressure (kPa) = 51 Tubing Pressure (kPa) = Well Type (see note A) =
Bled Casing Pressure to 0.0 kPa in 0.5 minutes.Recovered 0.0 litres of fluid.
5.0 litres of 2509.0 kPa.24.0 minutes. (minimum 15 minutes)
Started 15 minutes of pressure monitoring at at 2003.0 kPa. (See Graph #1)Finished 15 minutes of pressure monitoring at at 1969.0 kPa. Change in pressure was 34.0 kPa. (less than 3% is a pass)Bled pressure to 0.0 kPa and recovered 2 litres of minutes.
15 minutes (minimum 5 minutes)Started a 24 hour build up on xxxx-07-20 at
7.0 kPa.Finished a 24 hour build up on xxxx-07-21 at
13.0
Comments
Please Note: All class 1 & 2 wells must be pressure tested to 1400 kPa EXCEPT class 1A disposal wells which must be pressured up to 7000 kPa.
NOTE A Well Type NOTE B Fluid Recovery Type1. WATER INJECTION/DISPOSAL (OPERATING) 4. H2S > 5% (SHUT-IN SUSPENDED) 1. GAS (SWEET) 4. WATER (FRESH) 8. OTHER (SPECIFY)
2. WATER INJECTION/DISPOSAL (SHUT-IN/SUSPENDED) 5. GAS INJECTION 2. GAS (SOUR) 5. WATER (SALT)
3. H2S > 5% (PRODUCING) 6. OTHER (SPECIFY) 3. OIL 7. INHIBITED WATER
fluid pressuring annulus up to
P107
diesel
Black Gold100/00-00-000-00 W0M/00xxxx-07-20
1
PACKER ISOLATION TEST CASE #2Case 2: Casing pressure is between 1 and 1400 kPa upon arrival
Golden Company Ltd Pressure Company
13:54:00
-5.7
Final Pressure was kPa. (less than 3% is a pass)
14:09:00 hrs:min:sec
14:28:10
diesel fluid in 5
Injected
NILPass
Initial pressure at start of build up was
Let well stabilize for
14:28:10 (date & time) (See Graph#2)Let well stabilize at 0.0 kPa for
(date & time)
hrs:min:sec
0.00 0.08 0.16 0.25 0.33 0.41 0.50 0.58 0.66 0.74 0.83 Time (hours)
-100.0
170.0
440.0
710.0
980.0
1250.0
1520.0
1790.0
2060.0
2330.0
2600.0
Pressure kPa
5.2
5.6
5.9
6.2
6.6
6.9
7.2
7.6
7.9
8.2
8.6
Temperature C
Company:Field:
Surface Location:Downhole Location:
Start Date:End Date:
Logger ID:
Golden Company Ltd.Packer Isolation Test (graph #1)00-00-000-00 W0M100/00-00-000-00 W0M/00
P107
xxxx-07-20 13:22:30xxxx-07-20 14:12:00
Pressure Plot
0.7 3.2 5.7 8.2 10.6 13.1 15.6 18.1 20.5 23.0 25.5 Time (hours)
-100.0
-80.0
-60.0
-40.0
-20.0
0.0
20.0
40.0
60.0
80.0
100.0
Pressure kPa
3.0
4.3
5.5
6.7
8.0
9.2
10.4
11.6
12.9
14.1
15.3
Temperature C
Company:Field:
Surface Location:Downhole Location:
Start Date:End Date:
Logger ID:
Golden Company Ltd.Packer Isolation Test (graph #2)00-00-000-00 W0M100/00-00-000-00 W0M/00
P107
xxxx-07-20 14:28:10xxxx-07-21 14:52:30
Pressure Plot
CASE STUDY #3
Packer Isolation Test
Company Pressure Truck CompanyField Name Logger serial # & FilenameWell Location H2S ContentDate Pass or Fail
Casing Pressure (kPa) = -2 Tubing Pressure (kPa) = Well Type (see note A) =
Injected litres of mixture pressuring annulus up to 1897 kPa.15.0 minutes. (minimum 15 minutes)
Started 15 minutes of pressure monitoring at at 1870 kPa. (See Graph)Finished 15 minutes of pressure monitoring at at 1877 kPa. Change in pressure was 7 kPa. (less than 3% in a pass)Bled pressure to 0.0 kPa and recovered 45.0 litres of mixture.
Comments
Please Note: All class 1 & 2 wells must be pressure tested to 1400 kPa EXCEPT class 1A disposal wells which must be pressured up to 7000 kPa.
NOTE A Well Type NOTE B Fluid Recovery Type1. WATER INJECTION/DISPOSAL (OPERATING) 4. H2S > 5% (SHUT-IN SUSPENDED) 1. GAS (SWEET) 4. WATER (FRESH) 8. OTHER (SPECIFY)
2. WATER INJECTION/DISPOSAL (SHUT-IN/SUSPENDED) 5. GAS INJECTION 2. GAS (SOUR) 5. WATER (SALT)
3. H2S > 5% (PRODUCING) 6. OTHER (SPECIFY) 3. OIL 7. INHIBITED WATER
Black Gold100/00-00-000-00 W0M/00 0
Pass
Let well stabilize for
xxxx-06-24
1
hrs:min:sechrs:min:sec
14:20:00
P642
Diese & Inhibited water
PACKER ISOLATION TEST CASE #3Case 3: Casing pressure 0 kPa upon arrival
Golden Company Ltd. Pressure Company
340.0 Diesel/Inhibited Water
14:05:00
-77
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 Time (hours)
-30.0
193.0
416.0
639.0
862.0
1085.0
1308.0
1531.0
1754.0
1977.0
2200.0
Pressure kPa
18.1
18.2
18.3
18.4
18.5
18.7
18.8
18.9
19.0
19.1
19.2
Temperature C
Company:Field:
Surface Location:Downhole Location:
Start Date:End Date:
Logger ID:
Golden Company Ltd.PIT-Pressure Monitoring00-00-000-00 W0M100/00-00-000-00 W0M/00
P642
xxxx-06-24 13:39:45xxxx-06-24 14:39:05
Casing Pressure Plot
