ZALLAF Libya OIL & GAS COMPANY
Daily Geological Report # 22
1) Basics
Date:14/06/2023
Company Name:
Well Name:
KB
GL.
B10-NC151
1736
1713
Zallaf Libya Oil and Gas
Drilling Rig Name:
Spud Date
(FB) # 6
23/5/2023
Depth @ 24:00 hrs
Progress ft
Coordinates
Rig Released date
Lg:10°29' 28.48745" E
Lat:27°10' 48.24425" N
Daily Cost
Cumulative Cost
20,609.00 $
863,417.00 $
Present Operation
Next Operation
Proposed T.D
3,059ft
254 ft
POOH TO CHANGE BIT
RIH W/ 12 1/4'' NEW BIT
PD. Formation @ ft
Primary Objective :
Secondary Objective :
Last survey @ ft
Awaynat wanin AB
Tahara/Aw Wanin B
Bir Tlacsin
24 hrs. Forecast:
3720'
Fluid type
MW
Cl-FREESYSTEM
9.5
RESUME DRLG 12 1/4'' HOLE
2) Formation Tops
FMs.
Assedjefar
Prog.
Geol.
E.log
surface
FMs.
Fms.
Prog.
Geol.
Mrar (M4)
1986'
1950’
E.log
Tanezzuft
Prog.
3076'
Mrar
716'
700'
669’
Mrar (M2)
2226'
2198’
Bir Tlascin
3336'
Mrar (M12)
976'
930’
934’
Tahara
2435'
2432’
Hawaz
3570'
Mrar (M10)
1296'
1260’
1269’ Aw Wanin C
2524'
2570’
TD
3720'
Mrar (M9)
1381'
1364’
1357’ Aw Wanin BA
2651'
2866’
Mrar (M8)
1516'
1488’
1498’ Ouan Kasa
2832
2807'
Mrar (M7)
1656'
1630’
1605’ Tadrart
3040'
3008'
Geol.
3) Operations (00:00-24:00) hrs
Time
O P E R A T I O N S
00:00- 15:30 CONT DRLG 12 1/4'' HOLE F/ 2805' T/ 3051' W/ PARAMETERS 20-30 WOB. 110-120 RPM, 550-600 GPM
15:30 -17:00 RIG REPAIR WORK ON STRNG WIEGHT INDICATOR & ROTARY
17:00 -19:30
RESUME GRLG 12 1/4'' HOLE F/ 3051' T/ 3059' W/ PARAMETERS 20-30 WOB. 110-120 RPM, 550-600 GPM. NO
PROGRESS
19:30-20:00
CIRC HOLE CLEAN & FLOW CHECK OK.
20:00-0:00 POOH TO CHANG BIT F/ 3059' T/ 1750' , HOLE OK.
00:00-6:00 /////////
E.log
4) Lithology
Interval (ft)
Description
Sandstone (80%): White to off-white, translucent to transparent, friable, hard in part, fine to very fine-grained, well
rounded, well sorted, high calcareous with traces oil shows ( yellow to gold oil stain under UV, poor crush cut).
2800'-2890'
Shale (20%): Light grey to gray, firm to moderately firm, blocky, sub fluky to fluky, splintery in part, micaceous, high
calcareous.
Shale (60%): Light gray to gray, moderately firm, blocky, sub fluky to fluky, sandy in part, micaceous, high
calcareous.
2890'-2970'
Sandstone (40%): White to off-white, translucent to transparent, friable, hard in part, fine to very fine-grained,
subrounded, well sorted, high calcareous, no oil shows.
Sandstone (50%): White to off-white, translucent to transparent, friable, hard in part, fine to very fine-grained, well
2970'-2990' rounded, well sorted, high calcareous, no oil shows.
Shale (50%): Light grey to gray, very hard to hard, blocky, sub fluky to fluky, micaceous, high calcareous.
Sandstone (80%): White to off-white, translucent to transparent, friable, hard in part, fine to very fine-grained, well
2990'-3030' rounded, well sorted, high calcareous, no oil shows.
Shale (20%): Light grey to gray, very hard to hard, blocky, sub fluky to fluky, micaceous, high calcareous.
Shale (90%): Dark gray, moderately firm, blocky, fluky to sub-fluky, splintery in part, micaceous, noncalcareous.
3030'-3050' Sandstone (10%): White to off-white, translucent to transparent, friable, hard in part, fine to very fine-grained,
subrounded, well sorted, no oil shows.
12:00-6:00 /////
5) Oil Shows
Interval (ft)
Direct Fluorescence
Cut Fluorescence
6) Gas Shows Formation Gas Peak (ppm)
Interval (ft)
Total Gas %
C1 ppm
C2 ppm
C3 ppm
nC4 ppm
nC5 ppm
Back ground gas (Average)
Trip Gas: TG, Connection gas: CG, Swab Gas: CG, Pump off gas: POG
7) Coring (Provide description in a separate sheet)
Core N˚
Interval ( ft )
Rec(%)
Rec( ft )
1
2
1263_ 1293
1630 - 1660
100%
100%
30
30
3
2198-2228
100%
30
4
2451"-2485
100%
30
Tahara Direct fluorescence, yellow to gold under UV in part, with low stream cut.
5
2754'-2784'
100%
30
Awaynat wanin
Direct fluorescence, yellow to gold under UV in part, with low stream cut.
Formation
Remarks
MRAR 10
no direct fluorescence , dark under UV
MRAR 7 no direct fluorescence , dark under UV,very slow orange stream cut
MRAR2
no direct fluorescence , dark under UV
8) Casing
Cond.r @ ft
20" Casing @ ft
13⅜" Casing @ ft
Csg sheo @ 89"
Csg sheo @ 759"
9⅝'' Casing @ ft
7" Liner @ ft
9) Logging (Provide breakdown time)
Run
Log Type & Name
TD
Max T °F
Hole Size
1
Caliper-GR-SP- Resistivity
760
102 F
17 1/2"
Remarks
10)Testing (Provide full data in a separate sheet with DST or PT chart)
Run
Comments:
Log Type & Name
TD
Max T °F
Wellsite
Geologist
Hole Size
Remarks
Adel Alsalim
Mohammed Barkah