Well Information Bit Information Bit Hydraulic Mud Info Directional Info

Customer: CEPCOLSA Size: 12,250'' Cutter Size: 19 Qty|Nzzls Size: 7 12 Company: HALLIBURTON Company: WEATHERFORD BHA # 3

Country: COLOMBIA Type: HCD605Z TFA (in2): 0,77313 Type: WATER Motor Name: RSS Bend: N/A

State: CASANARE Serial Number: 7304063 Bit Press Loss (psi): Name: POLIMERO Motor Size: 8,25'' Coef(rev/gl): 0

Block No: 1 Part Number: TN6549R Bit Press Loss (%): MW(ppg) 9,70 Lobes-Stgs: N/A Stab.Mtr.Size: 12,25''

Field: LOS OCARROS IADC Code: M223 Bit HHP (hp): PV/YP In: 11/23 Drive Type: TOP DRIVER

Well: LAS MARACAS 2 Bit No: 3 Bit HSI: 1,44 Geles In: 11/24/31 BHA Data:

Rig: PAKER DRILLING 268 Date In: 12-may-11 Jet Velocity (fps): PV/YP Out: 17/19

Spud Date / Hour: 27-abr-11 8:00:00 Hrs DateOut: 17-may-11 Impact Force (lbf): Geles Out: 9/17/32

Co man: JORGE E. MERCHAN Bit Depth In: 7400 Tot Distance (ft): Slide Footage(ft): Rotate footage(ft): 2854

Bit Technician: CARLOS ALAYON Bit Depth Out: 10254 Csg ID: 13,375'' Total Time (hrs): SlideTime(hrs): % Hrs Slide 0,0 Rotate Time(hrs): 84,6

Tool Pusher: RAUL TORRES Last Casing Depth: 2227 Csg Size: 12,415'' Total ROP (ft/hrs): Slide ROP(ft/hrs): % Slide: 0,0 Rotate ROP(ft/hrs): 33,74 % Rotate: 100,0

Min Max Sum Acum Sum Sum Acum Avg Avg Min Max Min Max Avg Avg Min Max Avg Avg Avg Max Max Max Max7400 10254 2854 2854 9:16 84,60 84,60 44,44 48,87 5 - 18 80 - 120 99,71 599 7,0 - 13,0 1132 1063 69 10171 10037 4,0 9,7

Date Md From Md To Start Time End Time Foot Drilled Acum. Footage Loss Time Time Effectiv Acum. Time ROP Stand ROP Aveg Orienting RPM Totals Flow SPP On SPP Off P Svy MD Svy TVD Incl Azimuth Dog Leg MW

(dd/mm) (ft) (ft) (h:mm) (h:mm) (ft) (ft) hh:mm Hrs Hrs (ft/h) (ft/h) Method (c/min) (gal/min) (psi) (psi) (psi) (ft) (ft) () () () (ppg)

12-may-11 7400 7486 13:07 15:36 86 86 0:30 1,98 1,98 43,36 43,36 ROTATE 5 - 10 80 - 90 90,0 650 7 - 9 1100 - 1050 50 7459 7458,79 0,06 205,74 0,00 9,6 GUAYABO

7486 7580 16:17 18:08 94 180 0:10 1,68 3,67 55,84 49,09 ROTATE 5 - 10 80 - 90 90,0 650 7 - 9 1250 - 1200 50 7552 7551,79 0,09 14,85 0,03 9,6 GUAYABO

7580 7673 18:45 20:49 93 273 0:15 1,82 5,48 51,19 49,79 ROTATE 5 - 10 80 - 120 120,0 650 7 - 9 1250 - 1200 50 7646 7645,79 0,06 286,79 -0,03 9,6 GUAYABO

7673 7767 21:30 23:14 94 367 0:15 1,48 6,97 63,37 52,68 ROTATE 5 - 10 80 - 90 90,0 650 7 - 9 1250 - 1200 50 7739 7738,79 0,62 87,87 0,60 9,6 GUAYABO

7767 7780 23:50 23:59 13 380 0,15 7,12 86,67 53,40 ROTATE 5 - 10 80 - 90 90,0 650 7 - 9 1250 - 1200 50 9,6 GUAYABO

13-may-11 7780 7861 00:00 01:35 81 461 0:16 1,32 8,43 61,52 54,66 ROTATE 5 - 10 90 - 100 100,0 660 7 - 9 1250 - 1200 50 7833 7832,76 1,98 91,20 1,45 9,6 LEON

7861 7954 02:27 04:22 93 554 0:10 1,75 10,18 53,14 54,40 ROTATE 5 - 10 90 - 100 100,0 670 7 - 9 1250 - 1200 50 7926 7925,68 2,86 89,60 0,95 9,6 LEON

7954 8048 05:26 07:32 94 648 0:25 1,68 11,87 55,84 54,61 ROTATE 5 - 10 100 - 110 110,0 670 7 - 9 1250 - 1200 50 8020 8019,54 3,31 89,42 0,48 9,6 LEON

8048 8141 08:05 11:02 93 741 0:15 2,70 14,57 34,44 50,87 ROTATE 5 - 10 90 - 100 100,0 660 7 - 9 1250 - 1200 50 8113 8112,37 3,68 94,80 0,53 9,6 LEON

8141 8235 11:40 14:12 94 835 0:10 2,37 16,93 39,72 49,31 ROTATE 8 - 13 90 - 100 100,0 660 7 - 9 1250 - 1200 50 8206 8205,10 5,07 97,72 1,51 9,6 LEON

8235 8328 14:49 16:20 93 928 0:15 1,27 18,20 73,42 50,99 ROTATE 8 - 13 90 - 100 100,0 660 7 - 9 1250 - 1200 50 8300 8298,52 7,51 97,58 2,60 9,6 LEON

8328 8421 17:06 18:47 93 1021 0:15 1,43 19,63 64,88 52,00 ROTATE 8 - 13 90 - 100 100,0 660 7 - 9 1300 - 1250 50 8380 8377,73 8,68 95,03 1,53 9,6 LEON

8421 8515 19:28 21:14 94 1115 0:15 1,52 21,15 61,98 52,72 ROTATE 8 - 13 90 - 100 100,0 660 7 - 9 1300 - 1250 50 8474 8470,51 9,75 95,82 1,15 9,6 LEON

8515 8608 21:44 23:32 93 1208 0:20 1,47 22,62 63,41 53,41 ROTATE 9 - 14 90 - 100 100,0 660 7 - 9 1300 - 1250 50 8570 8564,00 11,02 96,77 1,33 9,6 LEON

14-may-11 8608 8702 00:00 01:48 94 1302 0:15 1,55 24,17 60,65 53,88 ROTATE 9 - 14 90 - 100 100,0 650 7 - 9 1300 - 1250 50 8660 8653,17 11,72 95,88 0,80 9,6 LEON

8702 8795 02:12 03:50 93 1395 0:20 1,30 25,47 71,54 54,78 ROTATE 12 - 18 90 - 100 100,0 500 7 - 9 850 - 800 50 8767 8757,68 13,04 95,51 1,24 9,6 LEON

8795 8889 04:20 05:57 94 1489 0:10 1,45 26,92 64,83 55,32 ROTATE 12 - 18 90 - 100 100,0 500 9 - 11 900 - 850 50 8861 8849,19 13,40 100,96 1,38 9,6 LEON

8889 8982 06:38 08:21 93 1582 0:10 1,55 28,47 60,00 55,57 ROTATE 12 - 18 90 - 100 100,0 500 11 - 13 900 - 850 50 8954 8939,40 14,76 103,66 1,62 9,6 C1

8982 9074 09:06 11:15 92 1674 0:20 1,82 30,28 50,64 55,28 ROTATE 12 - 18 90 - 100 100,0 580 11 - 13 900 - 850 50 9059 9039,89 18,85 100,92 3,97 9,6 C1

9074 9169 12:30 15:39 95 1769 0:15 2,90 33,18 32,76 53,31 ROTATE 12 - 18 90 - 100 100,0 580 11 - 13 1000 - 950 50 9141 9117,42 19,18 100,38 0,46 9,6 C1

9169 9263 16:28 19:39 94 1863 0:10 3,02 36,20 31,16 51,46 ROTATE 12 - 18 90 - 100 100,0 580 11 - 13 1000 - 950 50 9235 9205,73 20,87 99,41 1,83 9,6 C1

9263 9350 20:12 23:59 87 1950 0:40 3,12 39,32 27,91 49,60 ROTATE 12 - 18 90 - 100 100,0 580 11 - 13 1000 - 950 50 9328 9292,00 22,88 98,14 2,22 9,6 C1

15-may-11 9350 9356 00:00 00:17 6 1956 0,28 39,60 21,18 49,39 ROTATE 12 - 18 90 - 100 100,0 580 11 - 13 1000 - 950 50 9,6 C1

9356 9450 00:51 04:17 94 2050 0:30 2,93 42,53 32,05 48,20 ROTATE 12 - 18 90 - 100 100,0 560 11 - 13 1100 - 1000 100 9421 9377,25 24,33 99,43 1,66 9,6 C2

9450 9540 04:47 07:38 90 2140 2,85 45,38 31,58 47,15 ROTATE 12 - 18 90 - 100 100,0 560 11 - 13 1100 - 1000 100 9515 9462,28 26,14 100,61 2,00 9,6 C2

9540 9634 08:13 10:12 94 2234 1,98 47,37 47,39 47,16 ROTATE 12 - 18 90 - 100 100,0 560 11 - 13 1100 - 1000 100 9604 9541,90 26,94 101,41 0,98 9,6 C2

9634 9729 19:32 23:59 95 2329 0:30 3,95 51,32 24,05 45,38 ROTATE 12 - 18 90 - 100 100,0 560 11 - 13 1600 - 1100 500 9704 9631,03 26,99 101,17 0,12 9,7 C3

16-may-11 9729 9825 00:25 03:11 96 2425 0:50 1,93 53,25 49,66 45,54 ROTATE 12 - 18 90 - 100 100,0 500 11 - 13 900 - 850 50 9798 9714,36 28,13 100,32 1,28 9,7 C3

9825 9919 04:01 11:21 94 2519 0:40 6,67 59,92 14,10 42,04 ROTATE 12 - 18 90 - 100 100,0 570 11 - 13 1100 - 1000 100 9885 9790,43 29,91 100,00 2,05 9,7 C4

9919 10012 12:02 19:11 93 2612 0:24 6,75 66,67 13,78 39,18 ROTATE 10 - 13 90 - 100 100,0 560 11 - 13 1050 - 1000 50 9985 9877,09 29,97 99,08 0,46 9,7 C5

17-may-11 10012 10078 20:58 23:59 66 2678 0:20 2,68 69,35 24,60 38,62 ROTATE 10 - 13 90 - 100 100,0 560 11 - 13 1050 - 1000 50 10078 9957,29 30,86 99,18 0,96 9,7 C5

10078 10102 00:00 01:04 24 2702 0:01 1,05 70,40 22,86 38,38 ROTATE 10 - 13 90 - 100 100,0 560 11 - 13 1050 - 1000 50 9,7 C5

10102 10196 01:27 08:28 94 2796 0:10 6,85 77,25 13,72 36,19 ROTATE 10 - 13 90 - 100 100,0 560 11 - 13 1050 - 1000 50 10171 10036,79 31,60 99,26 1,85 9,7 C5

10196 10254 09:10 16:31 58 2854 7,35 84,60 7,89 33,74 ROTATE 10 - 13 90 - 100 100,0 560 11 - 13 1050 - 1000 50 9,7 C5

10254

CAIDA DE LA ROP, ALTA VIBRACION, SE MITIGA PARANDO ROTARIA

KOP @ 7765 FT.

CAMBIO DE PARAMETROS DISMINUYENDO EL GPM @ 500

CAIDA DE LA ROP, ALTA VIBRACION, SE MITIGA PARANDO ROTARIA

REALIZA VIAJE DE ACONDICIONAMIENTO HASTA @ 7400 FT.

PRESION ALTA AL INICIAR DE NUEVO.

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

RPM TDrive

0,00

(1000 lbf) (c/min) (c/min)

WOB RPM Motor

33,74

0,00Avg

0,00

0,00

0,00

0,773

484,17

42,76

169,24

2854

0,00

84,60

0,00

0,00

0,00

1,44

248,75

710,30

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

0,00

(klbs-ft)

BIT + XO + MOTOR RSS + STB IDS 12 1/4 + MFR(GR-RES) + MWD PULSER COLLAR + NM XO + MONEL + FLOAT SUB + STB 12 1/4 = 576,75

Formation

Remarks

Name

Tq

(%) Litology

SE BOMBEA PILDORA DE LIMPIEZA DE 40 BBLS @ 8598 FT

SE BOMBEA PILDORA VISCOSA DE 30 BBLS @ 9336 FT

CAIDA DE LA ROP, ALTA VIBRACION, SE MITIGA PARANDO ROTARIA

CAIDA DE LA ROP, ALTA VIBRACION, SE MITIGA PARANDO ROTARIA

CAIDA DE LA ROP, ALTA VIBRACION, SE MITIGA PARANDO ROTARIA

SE REALIZA VIAJE A SUPERFICIE PARA REVIZAR HERRAMIENTA.

70% CLST - 10% SLST - 10% SST - 10% SH - TR: SND, PYR, GYP

70% CLST - 10% SLST - 10% SST - 10% SH - TR: SND, PYR, GYP

70% CLST - 10% SLST - 10% SST - 10% SH - TR: SND, PYR, GYP

70% CLST - 10% SLST - 10% SST - 10% SH - TR: SND, PYR, GYP

70% CLST - 10% SLST - 10% SST - 10% SH - TR: SND, PYR, GYP

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

90% SH - 10% CLST - TR: CHT,PYR,DOL

100% SH - TR: DOL

100% SH - TR: DOL

50% CLST - 30% SLST - 20% SH

50% CLST - 30% SLST - 20% SH

50% CLST - 30% SLST - 20% SH

50% CLST - 30% SLST - 20% SH

50% CLST - 30% SLST - 20% SH

50% CLST - 30% SLST - 20% SH

30% CLST - 30% SLST - 20% SH - 20% SST - TR:PYR,COAL,SID

30% CLST - 30% SLST - 20% SH - 20% SST - TR:PYR,COAL,SID

30% CLST - 30% SLST - 20% SH - 20% SST - TR:PYR,COAL,SID

100% SH - TR: CLST - PYR - SLST - COAL

100% SH - TR: CLST - PYR - SLST - COAL

90% CLST - 10% SH - TR: SLST,COAL,PYR

80% CLST - 10% SH - 10% SLST

100% CLST - TR: COAL,SLST

100% CLST - TR: COAL,SLST

70% CLST - 30% SLST - TR: SD, SST, SH, PYR

70% CLST - 30% SLST - TR: SD, SST, SH, PYR

CODIGO: F-HCC-11

VERSION: 0.0

FECHA: 01/11/09

Pagina: 1 de1

BIT PERFORMANCE REPORT

19/05/2011 1