Sunday, July 8, 2018

Now, The Update Regarding Those Two Slawson Dual Long Lateral Wells In Big Bend -- July 8, 2018

Okay, let's go back to this one.

Disclaimer: in a long note like this there will be factual and typographical errors. I used poetic license to tell part of the story. If I stepped on any toes, let me know and I will make it all "right." It should be noted that one can buy soft drinks at J Dub's in Williston.

Disclaimer: I can't stress enough that there might be factual and typographical errors in this post. If this is important to you, go to the source. Hearsay at J Dub's is probably not "the source," but I bet you can get some pretty good stories. 

I posted this graphic earlier as a stand-alone post with no narrative but said I would get back to it later.


I'm going to do this from memory. It would take too much time and effort to go back to get the details. So if this is wrong, and affects the story, let me know and I will correct it. As noted I used poetic license to tell part of the story. Don't take that part seriously.

It's just for fun.

The other night I was updating wells that were drilled in 2015.

I came across this completion report:

Wow, 81 stages! In two fracks: a 40-stage frack followed by a 41-stage frack. But then I remembered it was a Slawson well, and Slawson would never do anything so audacious as an 80+ stage frack. LOL. Nope, they did something more audacious.

Wow, the Bakken never ceases to amaze me.

So, when I saw that 81-stage frack done in two stages, it took me three seconds to take another look -- I think what jumped out at me was the fact that the target for the first frack was different than the target for the second frack.

At least one date in the geologist's drilling report was wrong (the "cease drilling date" was said to be before the spud date -- I'm pretty sure about that, but could be wrong). Other dates are probably correct, but I can't reconcile them. But, then, I can't reconcile a lot of things in the Bakken. See the sundry form below, and then compare the target/test date (circled in red) with the target/test date in the completion report above (also circled in red).
The dates may be correct, and I may be missing something but the dates don't matter for the story.

So, for #30412, Slawson drilled a typical long lateral into the upper bench of the Three Forks (TF1). MD was 10,771 feet (vertical before they went horizontal).

On a Sunday some months later, with April Fool's Day coming up, after a long night at J Dub's, the Lightning Federal site manager drives out to the pad, #30412, and suggests to the team, "hey, why not cut a window in the casing of the TF1 horizontal / kick-off point and drill the TF2?"

Nothing better to do, and something to impress the boss, that's exactly what they did. They cut a window in the TF1 casing at/near the kick-off point and drilled the TF2. MD was 10,793 feet, about 22 feet deeper.

That simply amazes me. The roughnecks drill down two miles deep into the earth and then cut a hole in the cement casing, and then hit another target, just 22 feet deeper. I don't know about you but for me that's as impressive as NASA landing a drone on an asteroid.

Maybe more impressive. After all, NASA doesn't need a permit or an environmental impact statement to land on an asteroid.

Some time later, the boss told the Lightning Federal site manager that he and the roughnecks were  probably just lucky.

The site manager replied, "Here, hold my drink." The site manager then had the roughnecks do the same thing 105 feet to the east (distance between surface holes).

This time, MD for TF1 was 10,880 feet and the MD for TF2 was 10,906 feet, a difference of 26 feet.

Production data for 30412, note the production jump after the frack:

NDIC File No: 30412     API No: 33-061-03486-00-00     CTB No: 230412
Well Type: OG     Well Status: A     Status Date: 4/15/2016     Wellbore type: Horizontal
Location: SWSE 24-152-93     Footages: 261 FSL 1361 FEL     Latitude: 47.964030     Longitude: -102.519260
Current Operator: SLAWSON EXPLORATION COMPANY, INC.
Current Well Name: LIGHTNING FEDERAL 6-24-13TFH
Elevation(s): 1982 KB   1958 GR   1958 GL     Total Depth: 20590     Field: BIG BEND
Spud Date(s):  6/9/2015
Casing String(s):  9.625" 1909'   7" 10838'  
Completion Data
   Pool: BAKKEN     Perfs: 10793-20590     Comp: 4/15/2016     Status: AL     Date: 4/27/2017     Spacing: 2SEC
Cumulative Production Data
   Pool: BAKKEN     Cum Oil: 363542     Cum MCF Gas: 332004     Cum Water: 312290
Production Test Data
   IP Test Date: 4/16/2016     Pool: BAKKEN     IP Oil: 2684     IP MCF: 668     IP Water: 1600
Monthly Production Data
PoolDateDaysBBLS OilRunsBBLS WaterMCF ProdMCF SoldVent/Flare
BAKKEN5-20183110043102929259622820922896
BAKKEN4-2018301094710302989518491171660
BAKKEN3-20183113883144421189211244953566
BAKKEN2-20181556675592519759915133165
BAKKEN1-20183112576125861140720466189730
BAKKEN12-201731141071424812693195951784891
BAKKEN11-20173014232140411300318977172930
BAKKEN10-2017311635116460150601761114870817
BAKKEN9-20173016715167171526720543185780
BAKKEN8-20173118842189401724822963207600
BAKKEN7-2017312325723066198202345220516243
BAKKEN6-20173025509256131976026303233640
BAKKEN5-20173127317278062310118163150360
BAKKEN4-2017292100620621192551087643124156
BAKKEN3-20173027637266902550614359109483261
BAKKEN2-2017281987620443261651026162383883
BAKKEN1-201724656162737010561154910
BAKKEN12-201610660610
BAKKEN11-20165346332242837226822430
BAKKEN10-20160000000
BAKKEN9-20164102821565077036830
BAKKEN8-20163121457211861186119004188490
BAKKEN7-20163119752195381439017654174990
BAKKEN6-20163014793144561076212192120420
BAKKEN5-201628171881790810395903861342764
BAKKEN4-20161133500500

The production profile for #30414 was similar and won't be re-posted here.

What about #30413, a middle Bakken well:
PoolDateDaysBBLS OilRunsBBLS WaterMCF ProdMCF SoldVent/Flare
BAKKEN5-201831399843303477287210871200
BAKKEN4-201830456039023715627356370
BAKKEN3-20183149965413446038862776424
BAKKEN2-20182745354407271952374400208
BAKKEN1-2018255795581242626192540450
BAKKEN12-2017316882670047617432650738
BAKKEN11-201726600960744267639956260
BAKKEN10-2017311025510389565399018005637
BAKKEN9-201722530053793185488041858
BAKKEN8-201729684568683811681159280
BAKKEN7-2017305495531544985184437367
BAKKEN6-201730609762387414611753040
BAKKEN5-20173012953134951358712072105230
BAKKEN4-20178279625953373268023320
BAKKEN3-2017319311913110417859584400
BAKKEN2-20172368046127972440743022937
BAKKEN1-2017117001005
BAKKEN12-20160000000
BAKKEN11-20162549776233193090
BAKKEN10-20161913531137828573829959692235
BAKKEN9-201643596444215652108206028
BAKKEN8-20163122894223361186118117179620
BAKKEN7-20163119640194111439016955168000
BAKKEN6-20163024313240781095215176150260
BAKKEN5-20162915172162615401908168662070
BAKKEN4-2016117040124500


We might as well finish this by looking at #18827, about 1,530 feet to the west of #30412:
  • 18287, 911, Slawson, Skybolt 1-24H, t1/10; cum 305K 5/18;
Part of the production profile:
PoolDateDaysBBLS OilRunsBBLS WaterMCF ProdMCF SoldVent/Flare
BAKKEN5-201831434744971180337010421706
BAKKEN4-20183033943117875297024590
BAKKEN3-20183135503999103930482413105
BAKKEN2-201828310329218612733218173
BAKKEN1-20183136603708909310225623
BAKKEN12-2017313336269378428972221169
BAKKEN11-201730332234098002766222733
BAKKEN10-20171924502687752323013171557
BAKKEN9-2017211848191669624991345845
BAKKEN8-201731410043881653546831941678
BAKKEN7-201731492850632009660036632253
BAKKEN6-201730412941122207551031451765
BAKKEN5-201731338831361886450225111473
BAKKEN4-2017121471191774319291048664
BAKKEN3-201722189717781366248012791091
BAKKEN2-2017261521118817151989868991
BAKKEN1-201726218517703518183317030
BAKKEN12-20160000000
BAKKEN11-20160000000
BAKKEN10-20168880501142252
BAKKEN9-2016253047367510612347213290
BAKKEN8-20163157985659150843584024179
BAKKEN7-2016319624931822877044687316
BAKKEN6-2016304986552315303757351889
BAKKEN5-201631598253451925866942914223
BAKKEN4-201627367040491166531628942287
BAKKEN3-201622412236621192325931490
BAKKEN2-20160000000
BAKKEN1-201614648301815034980
BAKKEN12-2015261101010578504085027667705
BAKKEN11-20150000000
BAKKEN10-20150000000
BAKKEN9-20150000000
BAKKEN8-2015294910070136801358
BAKKEN7-20150000000
BAKKEN6-20150000000
BAKKEN5-20150000000
BAKKEN4-20151190031026
BAKKEN3-20153384732561229
BAKKEN2-2015285243661255594190
BAKKEN1-2015311410139341621151622338
BAKKEN12-20143113891153478163514800
BAKKEN11-2014301351140741220221582290
BAKKEN10-20143113981415424220720520
BAKKEN9-201430140015624542134194638
BAKKEN8-20143114641318523238922340
BAKKEN7-20143114921786375235021950
BAKKEN6-20143014881211497227221220
BAKKEN5-2014311535195547422942139

When looking at the production data, be sure to note that the older middle Bakken well was a short lateral (one mile long) whereas the Three Forks wells were long laterals.

Look at the IPs for the long lateral TF wells compared to the old middle Bakken well and the newer long lateral middle Bakken well:
  • 18287, 911, Slawson, Skybolt 1-24H, middle Bakken, short lateral, t1/10; cum 305K 5/18;
  • 30412, 2,684, Slawson, Lightning Federal 6-24-13TFH, t4/16; cum 364K 5/18;
  • 30413, 1,008, Slawson, Lightning Federal 2-24-13H, t4/16; cum 204K 5/18;
  • 314014, 1,622, Slawson, Lightning Federal 7-24-13TFH, t4/16; cum 338K 5/18; 
Finally, look at the monthly production for #30414, drilled back in 4/16 -- more than two years ago:

Monthly Production Data:
PoolDateDaysBBLS OilRunsBBLS WaterMCF ProdMCF SoldVent/Flare
BAKKEN5-201831107551112692591024536335301
BAKKEN4-20183011691109409895139791253834
BAKKEN3-2018311534715905118921347162195449
BAKKEN2-20181556395494479766685685293
BAKKEN1-20183114816145941136023946222070
BAKKEN12-2017311602615820126932147119403202
BAKKEN11-20173017313180511300318624166042
BAKKEN10-2017312005819966150601888314381

4 comments:

  1. Some seriously fun sleuthing Mr. Oksol; thanks for this. Lots of space, close together.

    ReplyDelete
  2. Was on site of Skybolt-1 last month. Was at a loss when seeing the Lightening Fed wellheads. Not enough above ground to explain it. Makes sense that they spit the runs underground.
    If they can do that... Maybe our oil industry should be running the space program!
    Boggles my mind, the engineering involved

    ReplyDelete
    Replies
    1. I think it's incredible what they are doing. With "two" wells at the surface, Slawson has four wells -- they only need to service two wells.

      Delete

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