MUD CASE STUDIES
BENEFITS Tactical Blitz®, Mud:
Can be easily mixed at high concentrations and safely pumped through BHA jewelry
Has a large PSD ranging from 36µ - 3,300µ.
Average PSD of 825 microns
Use as a sweep or as a squeeze pill
Pre-mixed and packaged
Compatible with all fluid systems
Mixes in existing fluid
Mixes with the rig equipment
Eliminates need for multiple LCM products
Reduces transportation costs to deliver and return excessive LCM products
Saves rig space
Environmentally safe, non-toxic
•25 ppb., 25 barrel sweeps.
•Recommendations subject to change pending hole size and expected losses.
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•75+ ppb, 100 barrel pill
•Pill should be spotted above suspected loss zone in the open hole.
•Recommendations subject to change pending hole size and current losses.
Case Study #1
Two wells were drilled east of Canadian, TX on the Wright Ranch.
Previous average losses in curve and lateral were 2,500 bbls.
1,750 bbl would be considered a success.
•Due to low ROP of 15’ per hour, Blitz sweep frequency was adjusted to
10 bbls every 45’ or 4 hours, whichever was first.
•Wellbore integrity was improved allowing a mud weight increase to 8.9
ppg to displace a gas kick on the first well.
•Mud loss was 680 bbl and 450 bbl respectively.
Case Study #2
Low show test (needed 14.2ppg, got 12.5ppg).
Expected loss zone in intermediate hole section due to fault.
Could they eliminate the intermediate casing string?
Case Study #3
Seepage reached 20 bbls per hour in the curve (8-3/4” hole, 8K’ MD).
Concern was clogging the RSS tool (previous products had clogged).
Case Study #4
Test well in the Northern Marcellus Shale:
Previous offset well lost 794 bbls to the wellbore.
•Mud loss calculations were strictly downhole (did not include mud loss
over cuttings or shakers).
•The previous well lost 794 bbls to hole, and the test well lost 242 bbls.
•Mud cost was $200/bbl.
552 bbls SBM @ $200/bbl = $ 110,400.00
TOP Products Utilized = $ 26,620.50
Test Well Net Savings = $ 83,779.50
Case Study #5
EOG Midland, TX Division
Expected losses from 3,300’ to 4,600’. TD of hole section was 4,800’.
Common result was total mud loss before section reached TD.
•Section was drilled to TD without experiencing total losses.
•Maximum mud loss experienced was only 15 bbls per hour.
•Cement was run to surface after setting casing with full returns.
•Hole section was drilled in two days.
Case Study #6
Seepage reached 6 bbls per hour.
ROP was 18’ per hour.
Lateral was to be drilled 5,500’.
All other LCM on rig was used with no success.
Case Study #7
Midland, TX – Based Operator
Permian – Reeves County
After drilling out the 9 ⅝” shoe @ 9,910’ and getting a 13.5 ppg shoe test, the 8 ½” hole was drilled to 9,963’ where losses began up to 100 bph. Previous average losses in curve and lateral were 2,500 bbls.
•Formation integrity was regained to a 13.4 ppg equivalent.
•Losses were mitigated and the 8-1/2” holes section was drill with
•Sweeps were placed when seepage was experienced.
•Once sweeps were pumped, seepage was completely mitigated.
•While drilling the lateral, the mud weight was successfully increased to
•Operator commented that this would not have been achieved had
Tactical Blitz® not been utilized.