Replies to This Discussion

Permalink Reply by Bob Zimmerman on April 27, 2018 at 5:50

<the perils of trying to save money with the re-entry>>>

I have it on good authority many AC wells in the Masters Creek/Pitkin/Sugartown/Chasmore/Fullerton fields/ were permitted for two laterals but only one was drilled. So it's a free ride downhole in an existing cased wellbore (some still producing?) to around 12-13000 feet, plus or minus.That will be hard to resist. 

Permalink Reply by Rock Man on April 27, 2018 at 8:12

As to the Masters Ck et al area, re-entering well with casing already set all depends on casing size. If it is 5.5", trying to go in and drill new horizontal would be equivalent to mechanical suicide because of associated small hole size problems.

Permalink Reply by Bob Zimmerman on April 27, 2018 at 12:15

A random check of wells in the Chasmore Field (2532) west of Pitkin/Masters Creek showed only 9 -5/8 casing was used. 

Again, the thrust of the AC play was to drill and HBP 1600 (+/-) acre units for future use in developing underlying deep gas prospects.

Someone must have been cognizant at the time of casing issues on re-entry. 

Permalink Reply by Rock Man on April 27, 2018 at 16:05

Bob Z - 9.625 is good size to re-enter / a lot of those wells in that area were "open hole completed" (i.e. no deep production casing set) since they were playing the AC natural fracture systems and not doing any stimulation / perforation. Just have open hole to let natural fractures produce what they can (O&G and water).

Permalink Reply by Dion Warr, CPL on May 2, 2018 at 6:18

RM:

Confirm on open hole completion at the base and laterals.  Most of the wells would begin to slurry / silt in within a few months as the chalk layer would break down, plugging the wells.

Permalink Reply by Rock Man on May 2, 2018 at 9:55

Open hole completions in chalk formations will produce a lot of formation (e.g. chalk dust) due to friction from fluids moving into open hole.

This can sometimes be corrected by water and/or acid washes.

Permalink Reply by Joe Aldridge on April 30, 2018 at 9:04

Doug, anything new on site?

Permalink Reply by Doug Cox on April 30, 2018 at 10:51

The crane down, they said they would make announcement soon.

BlackBrush has nine proposed units they sent out to land owners...

Permalink Reply by Joe Aldridge on April 30, 2018 at 11:31

WOW!!!!!!!!!

Permalink Reply by Skip Peel - Mineral Consultant on May 2, 2018 at 3:38

It's Happening?????  I'm confused.  What is happening?

Permalink Reply by Rock Man on May 2, 2018 at 4:18

No surprise on the matrix P&P focus - now the question is how thick the section is and how consistent it is. As well as presence or lack of ash beds that can limit frac growth.

Permalink Reply by Skip Peel - Mineral Consultant on May 2, 2018 at 5:02

Plat:  BLACKBRUSH proposed North Cheneyville Field Austin Chalk units.

BLACKBRUSH%20N%20CHENEYVILLE%20AC%20UNITS.pdf

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