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Posts Tagged ‘diligence’

Diamond Ocean Blackhawk is drilling MC 40 well for Anadarko

Following up on last year’s deepwater diligence post, 4 recent deepwater exploratory wells (table below) were spudded within 4.5 years of the effective date of their leases.

Particularly noteworthy is Anadarko’s well on newly acquired Mississippi Canyon Block 40, which was spudded only 18 months after the lease was acquired. Everything has to be in place for such an outcome: corporate priority, data gathering and analysis, well plan, permitting, and rig contract/availability.

The well was apparently a high priority not just for Anadarko, but also for Chevron and Murphy. MC 40 was acquired by Chevron (bidding alone) at Sale 257 for $4,409,990, the third highest bid at the sale. Murphy had submitted a losing bid of $3 million, but was assigned a 33% share of the lease by Chevron on 12/15/2023. One month earlier, Anadarko had been assigned a 33% interest and became lease operator.

Interestingly, BOEM’s Mean Range of Value (MROV) estimate for the block was only $576,000, so the three companies are seeing something that BOEM doesn’t. We’ll see how this plays out.

According to rig tracker data the Ocean Blackhawk is still on location at MC 40. Per BSEE permitting data, the well was approved to be bypassed in mid-May.

Lease No.BlockOperatorWater Depth
(feet)
lease date
spud date
elapsed time
(months)
EP received
EP approved
G37199MC 40Anadarko470410/1/2022
4/9/2024
1810/20/20233/7/2024
G36924AT 453Chevron56987/1/2020
1/23/2024
429/25/2023
11/21/2023
G36676AT 138Murphy34447/1/2019
11/14/2023
5210/3/2023
11/7/2023
G36558MC 801Shell33031/27/2024
7/1/2019
548/6/2021
1/19/2023
EP= Exploration Plan

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Pictured: Transocean’s Deepwater Proteus. T/O should name one of their drillships Deepwater Diligence 😉

Seven of the deepwater exploratory wells drilled in the Gulf of Mexico in 2023 (YTD) were spudded within 4.5 years of the effective date of their leases. Three of these wells were spudded within 3 years of their lease effective dates (see table below).

These are impressive achievements when you consider the time required for consultation with partners (if any) and contractors, site surveys, exploration plan development and approval, well planning, and drilling permit preparation and approval.

The subject wells accounted for 28% of the deepwater exploratory well starts in 2023 (25 net YTD wells after subtracting restarts at the same location).

date lease
effective
spud dateelapsed time
(months)
water
depth (ft)
operator
3/1/20218/27/2023306498Shell
8/1/20205/21/2023342211Talos
8/1/20203/15/2023313338Talos
12/1/20196/5/2023424228Chevron
11/1/20196/1/2023434603Hess
7/1/20197/11/2023487486Kosmos
12/1/20186/6/2023544127bp

Below are the exploration plan (EP) and permit (APD) approval timeframes for these 7 wells. With the exception of the Kosmos EP which required a number of modifications, the regulator actions appear to have been timely. For the bp, Shell, and Chevron wells, only 4-6 months elapsed between EP submittal and APD approval.

operatorblockdate EP
received
date EP
approved
APD
received
APD
approved
ShellWR 3653/1/20235/17/20235/11/20238/8/2023
TalosGC 781/19/20214/16/20213/8/20235/26/2023
TalosMC 1624/1/20227/13/20228/2/20223/2/2023
ChevronMC 93712/7/20225/19/20234/21/20235/21/2023
HessMC 7278/30/202211/3/202212/21/20224/24/2023
KosmosKC 9641/3/202010/12/20224/18/20237/3/2023
bpGC 4361/18/20234/14/20233/29/20236/5/2023
Notes: EP=Exploration Plan, APD=Application for Permit to Drill, WR=Walker Ridge, GC=Green Canyon, MC=Mississippi Canyon, KC=Keathley Canyon

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