Wednesday, October 12, 2016

Random Update Of A Re-Entered Madison Well In Stockyard Creek; Drilled Back In 1988; Still Active -- October 12, 2016

This horizontal Madison well has been producing for almost 30 years, has produced over 500,000 bbls of crude oil, and is still active:
  • 12537, 157, Petro-Hunt, State of North Dakota K 1, Stockyard Creek, spacing: 160 acres; t12/88; cum 501K 10/16; 
Qualified for stripper well status on August 26, 2009.

This well was spudded October 22, 1988, and completed on December 4, 1988.

It was then re-entered on November 28, 1997, recompleted as a horizontal Madison well on December 24, 1997.

Note the production profile during this period of time. Production jumped from 1,500 bbls/month to 5,000 bbls/month:

MADISON1-19993136863688125234621390
MADISON12-19983136103601136260023930
MADISON11-19983036203558127221820180
MADISON10-19983138903946133295827510
MADISON9-19983039424108110300728070
MADISON8-1998314313414465302128140
MADISON7-1998314342436980309828910
MADISON6-1998304481432730334331430
MADISON5-1998314870499746370634990
MADISON4-19983050674923124267824780
MADISON3-1998295617599245267824780
MADISON2-19982849784825129269525150
MADISON1-19983168386563130264324360
MADISON12-199786775091571911380
MADISON11-19972813521434197611339460
MADISON10-199731150615501983199217850
MADISON9-199730159416691463173215320
MADISON8-19973114931377161510118040
MADISON7-19973115561610185110128050
MADISON6-1997301497145014129107100
MADISON5-19973115461570174110358280




Another well in the same section had the same story, re-entered as a horizontal in 1997. Production jumped from 750 bbls/month to 3,000 bbls/month, and remained at 1,500 bbls/month for a number of years:
  • 12576, 95, Petro-Hunt, State of North Dakota L 1, Stockyard Creek, t2/89; cum 341K 8/16;
Imagine the number of Madison wells that might be candidates for horizontal re-entries. Ah, the Williston Basin never ceases to surprise me.

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Another Example

This is another example of a vertical Madison well drilled as a vertical and then re-entered as a horizontal in the late 90's. Madison wells in this area are generally spaced on 160 acres (one-quarter section; many have gone to stripper well status). This well is also still active:
  • 14716, 160, Rim Operating, Boss 41-17, Stockyard Creek, t10/97; cum 423K 10/16;
Production profile below. See if you can guess when the well was re-entered as a horizontal:

MADISON7-199931476350721603906385980
MADISON6-199930495247701637878383330
MADISON5-199931557053891742898185160
MADISON4-199930582059221688811076600
MADISON3-199931667666921872820777420
MADISON2-199928703070201774742870080
MADISON1-199931881787322315882383580
MADISON12-1998311363913781287211852113870
MADISON11-19983012331117604304898185310
MADISON10-199811221031160
MADISON9-1998221664174447148111510
MADISON8-1998312096195270186213970
MADISON7-1998312183218975196715020
MADISON6-1998292166217880186014250
MADISON5-1998312326243678197315080

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On A Roll

It appears there are many, many examples. I love this one:



This is also a vertical Madison that was re-entered as a horizontal. This well just celebrated its 28th birthday. The production profile is incredible. It's too long to post the entire profile, but it is extraordinarily remarkable. Here is the profile after the well was re-entered as a horizontal:

MADISON12-19983164976421874840882010
MADISON11-19983064546177975722070200
MADISON10-19983163076624452688966820
MADISON9-19983077317597596671565150
MADISON8-19983188798961639795577480
MADISON7-19983110885105151233898287750
MADISON6-1998309888103961374837781770
MADISON5-199831834187871914417539680
MADISON4-199828127856801341340
MADISON3-1998149061288827116180
MADISON2-19982814561249779958080
MADISON1-1998311755182217711849770
MADISON12-199731178217171153671600
MADISON11-199730168017211258826820

The well is still active and producing more than 1,000 bbls/month:
  • 12487, 272, Petro-Hunt, Texaco Otto Boss 18-1, Stockyard Creek, t9/88; cum 696K 10/16;

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