# WELLBORE SCHEMATIC

GL: 4,227' WELL NAME:

## Longfellow 2-1 SPOT: 7,100' FSL & 1,013' FEL OPERATOR: SPUD DATE: 10/14/98 KB: 4,242' API NO: LOCATION: Sec 2, Blk 168, Mrs. J..P. Mullins Surv, A-5562 ZONE: 2nd Dimple / U. Caballos RR DATE: 11/01/98 WI: FIELD: Pinon ELEVATION: 4,227' MICU: 11/06/98 RI: COUNTY: Pecos TD: 7,600' COMPL DATE: 11/28/98 Corp ID: 100170 STATE:Texas PBTD: 7,098' PIPE RECORD CEMENT & HOLE DATA CSG OD GRADE THD WT/FT TOP BTM # JTS BIT SZE DEPTH SXS TOC Surface 9.625'' J-55 LT&C 36.00# 0' 1,470' 12.250'' 1,505' 370 0' Production 7.000'' J-55 LT&C 26.00# 0' 5,500' 167 8.750'' 5,514' 300 4100' (Calc-50%)

Liner 4.500'' J-55 11.60# 5,470' 7,600' 82 7,600' 300 5600' (Calc-50%) Tubing 2-3/8" L-80 EUE 4.70# 0' 4,564' 159

DATE WORK DETAIL PROD. RESULTS 9-5/8" 1,470' 11/28/98 RIH w/2-3/8" SN, 205 jts 2-3/8" tbg and set EOT 6,397' 12/18/98 20 CK 2.1 mmcfd, 815 FTP 06/12/08 MIRU SL, RIH TAG TD 7098', EOT @ 6420', BROACH TO SN @ 6393', POH, RAN FLOWING GRADIANT, @ 7000' 0 GRADIANT & 700# @ 1000', 0 GRADIANT & 90#. POOH, RDMO SL. 06/24/08 MIRU SL. BROACH TO SN WITH 1.90 BROACH, TAG @ 6396'. INST. CONVENTIONAL PLUNGER SYS. LINE OUT, AND LEFT ON CYCLE TO SALES. 06/25/08 MIRU SWAB RIG, BTP/CP 0/250#, BFL=5500', 8 RUNS, RECV 11.5 bw. ETP/CP 0/230#, EFL= 6000'. RETURN TO SALES W/410 SPT, RDMO SWAB 07/08/08 MIRU SL, RIH FISH PL/BHS 6393', RIH W/TUBING STOP, SET @ 5881', POOH, RIHW PERFORATOR AND SHOOT SINGLE .50 HOLE @ 5880', TP INCR from 160# TO 300#. POOH. RIH, LATCH ONTO TUBING STOP, PULL UP HOLE TO 5840', POOH, RIH W/LATCH DOWN SPRING AND SET @ 5840', POOH. RDMO SL. DROP PL AND LEFT ON CYCLE TO SALES. 12/12/08 Fish plunger, spring & collar stop. Tag up at 7070' with EOT at 6373'. Run static BHP. Set tbg stop at 5848, drop latch down spring and plunger. Turn to sales. 11/09/09

11/22/09 

### 02/18/10

2-3/8" Tbg at 4564'

TOC at 4100' (Est)



### Drilling Notations: Plunger ] [ Wolfcamp 4602' 4664' Dimple Lm Stimulation Treatment PERFORATION HISTORY 4820' DATE TOP BTM ZONE SPF(count)/ Phasing Status 4940' 11/8/98 L. Cab 0 83 20% gelled HCl n/a 7 / 3900 ??? / 1400 11/06/98 6,432' 6,454' L. Caballos 1 SPF Closed CIBP at 4990' 11/10/98 Tes Lm 0 71 20% gelled HCl n/a ??? / ??? ??? / 1300 11/06/98 6,455' 6,479' L. Caballos 1 SPF Closed

U Caballos 11/16/98 U. Cab 0 119 20% gelled HCl n/a 15 / 1800 ??? / 1300 11/06/98 6,480' 6,504' L. Caballos 4 SPF Closed 5092' 11/17/09 Dimple 116 1199 18# LG & 15% SGA 20/40 57 BPM / 2951 2340 11/06/98 5,790' 5,804' Tesnus Lime 0.5 SPF Closed 11/17/09 Wolfcamp 105 896 18# LG & 15% SGA 20/40 37 BPM / 2552 2078 11/06/98 5,858' 5,902' Tesnus Lime 1 SPF Closed 5270' Frac Job Remarks (Screenouts or problems in Frac job): 11/06/98 5,931' 5,935' Tesnus Lime 2 SPF Closed 11/06/98 5,951' 5,957' Tesnus Lime 2 SPF Closed TOL @ 5,470' 11/06/98 5,970' 5,974' Tesnus Lime 2 SPF Closed CIBP Record 11/14/98 5,092' 5,100' U. Caballos 1 SPF Closed 7" @ 5,500' Date Depth Type 11/14/98 5,108' 5,112' U. Caballos 1 SPF Closed TOC at 5600' (Est) 11/7/98 6,557' 11/14/98 5,118' 5,126' U. Caballos 1 SPF Closed

Tesnus 11/9/98 6,299' 11/14/98 5,176' 5,200' U. Caballos 2 SPF Closed 5790' 11/13/08 5,383' 11/14/98 5,200' 5,244' U. Caballos 4 SPF Closed 11/10/09 4,990' CIBP 11/14/98 5,244' 5,270' U. Caballos 2 SPF Closed 11/17/09 4,750' CBP 11/09/09 4,920' 4,940' Dimple Lm 2 spf, 60 deg Open 5974' Remarks: 11/09/09 4,880' 4,900' Dimple Lm 1 spf, 60 deg Open 11/09/09 4,820' 4,840' Dimple Lm 0.5 spf, 60 deg Open 11/17/09 4,654' 4,664' Wolfcamp 2 spf, 60 deg Open 11/17/09 4,625' 4,635' Wolfcamp 2 spf, 60 deg Open 11/17/09 4,602' 4,612' Wolfcamp 2 spf, 60 deg Open L Caballos Length Depth 6432' 4552' 6504' 4553' 4585' 4586'

REMARKS PBTD @ 7,098' ENGINEER: GEOLOGIST: LANDMAN: PREPARED BY: J. Stewart PREPARED DATE: 6/20/2008 UPDATED: F Edens, 2/17/10 4-1/2" @ 7,600' UPDATED: Greg Carlisle 11/19/2008 UPDATED: 8.19.11 MF UPDATED: J. Stewart 3/2/2009 UPDATED: Reinstalled conventional plngr system. Slickline. RIH w/ 1.905" tandem broach to SN @ 4529'. POH. RIH, tagged TD @ 4914' & loc EOT @ 4564'. POH. Dropped spring & plngr; chased to btm. Cycled to sales. FR. Well tools: WELL HISTORY

to 11/21/09: Recomplete to Wolfcamp/Dimple. Pull tbg string & run GR/JB to 5000'. Set a CIBP at 4990'.Run CBL from 4990' to 300'. Indicated TOC at 600'. Perf Dimpleat 4920- 40' x 4880-4900' x 4820-40'. Frac with 788 bbl 75Q 18 ppg linear gel/CO2, 121 bbl 75Q 15% SGA acid/CO2 & 115649 lb prop, 57 BPM, 2951 psi. ISIP at 2340 psi. Set CBP at 4750'. Perf Wolfcampat 4654-64' x 4625-35' x 4602-12'. Frac with 512 bbl 75Q 18 ppg linear gel/CO2, 153 bbl 75Q 15% SGA acid/CO2, & 104491 lb prop, 37.1 BPM, 2522 psi. ISIP at 2078 psi.Drill out CBP at 4750' & wash down to 4955'.Unable to get deeper. Land tbg at 4586' & pump off bit. Start flowback test. Went to 1st gas sales on 11/21/09. Flow on 12/64" choke, 440 FTP, 500 SICP, spot rate at 459 MCFD, 44% CO2, 243 LP.

6" Bit (Left in hole, 11/19/09) Fluid (bbls) Total Fluid Type (Pad/Prepad/Frac/Flush) Prop Type Frac Grad/ ISIP Sand (klbs)

2-3/8", 4.7#, L-80, EUE Tbg, 158 jts XN Nipple (1.875" Bore, 1.791" No-Go) 2-3/8", 4.7#, L-80, EUE Tbg, 1 jt

TD at 7600' Date Zone

11/21/1998 AIR(bpm)/ AIP(psig)

11/21/1998 11/21/1998

Packer Detail: Permanent 11/19/2009 Unable to wash down below 4955'

Downhole Tubulars Description

Pump-Off Bit Sub Prem Plus (est 1.38 cf/sx, 15.5 ppg) Prem Plus (est 1.38 cf/sx, 15.5 ppg)

to 11/30/09: Flow to sales. Run GR/JB & tag up at 4927'. Final report - Flow on full open choke, 80 FTP, 200 SICP, 75 LP, spot rate at 261 MCFD, 0 BOPD, 0 BWPD. Premium Plus 42-371-36837 SandRidge Energy
85.78%

TYPE

Date Removed Notes 

## CURRENT

64.21%