UNITED STATES GOVERNMENT MEMORANDUM

To: Public Information (MS 5030)

Plans Section, Office of Field 

Operations (MS 5231)

Public Information copy of DOCD

Control # - S-07467

Type - Supplemental Development Operations Coordinations Document

Lease(s) - OCS-G02754 Block - A 376 High Island Area

Operator - Apache Corporation

Drilling, completion, and production of Wells A-26 and B-6

JACKUP

Attached is a copy of the subject plan for public comments on issues that 

should be addressed in an Environmental Assessment.

It has been deemed submitted as of this date and is under review for approval.

James Webb

Plan Coordinator

G02754/HI/A 376

G02754/HI/A 376

G02754/HI/A 376

1109 FNL, 6702 FEL

1109 FNL, 6702 FWL

4410 FSL, 8230 FEL

G02754/HI/A 376

G02754/HI/A 376

G02754/HI/A 376

WELL/A-26

WELL/A-26

WELL/B-6

Site Type/Name Botm Lse/Area/Blk Surface Location Surf Lse/Area/Blk

Description -

Rig Type -

Subject:

From:

August 13, 2012






























please specify if the amount reported is a total or per well amount

Projected generated waste Projected ocean discharges 

Type of Waste Composition Projected Amount Discharge rate Discharge Method

Answer yes or 

no

Will drilling occur ? If yes, you should list muds and cuttings

EXAMPLE: Cuttings wetted with synthetic based fluid 

Cuttings generated while 

using synthetic based drilling X bbl/well X bbl/day/well discharge overboard No

Water-based drilling fluid

Water based drilling fluid (Low 

ph Dispersed). 9510 barrels / total 679 bbls / day / well

Discharge overboard 

through shunt. No

Cuttings wetted with water-based fluid

Cuttings generated while using 

water based drilling fluid. 1657 barrels / total 118 bbls / day / well

Discharge overboard 

through shunt. No

Cuttings wetted with synthetic-based fluid N/A N/A N/A N/A N/A

Will humans be there? If yes, expect conventional waste

EXAMPLE: Sanitary waste water

Sanitary waste from living 

quarters X bbl/well X bbl/hr/well

chlorinate and discharge 

overboard No

Domestic waste Domestic waste from liv qtrs 85 bbls / day/well 85 bbls / day/well Raw water discharge No

Sanitary waste Sanitary waste from liv qtrs 50 bbls / day/well 50 bbls / day/well Raw water discharge No

Is there a deck? If yes, there will be Deck Drainage

Deck Drainage Wash water from deck 100 barrels/well 4 barrels / hr/well

 

drainage No

Will you conduct well treatment, completion, or workover? 

Well treatment fluids NA

Well completion fluids 11.0 PPG CACL 200 barrels/well 20 bbls / day/well discharge overboard no

Workover fluids NA

Miscellaneous discharges. If yes, only fill in those associated with your activity. 

Desalinization unit discharge Salt Water 23 gal / min 23 gal / min discharge overboard No

Blowout prevent fluid NA NA NA NA No

Ballast water NA NA NA NA No

Bilge water Drill Water w/contaiments 2 bbls / day/well 2 bbls / day discharge overboard No

Excess cement at seafloor Class 'H' cement 150 bbls/well 75 bbls / day for two dDischarge through shunt. No

Fire water Salt Water 450 gal / min/well 450 gal / min discharge overboard No

Cooling water Salt Water 50 gal / min/well 50 gal / min discharge overboard No

Will you produce hydrocarbons? If yes fill in for produced water.

Produced water NA

Will you be covered by an individual or general NPDES permit ? Yes; General

NOTE: If you will not have a type of waste, enter NA in the row. 

TABLE 1. WASTES YOU WILL GENERATE, TREAT AND DOWNHOLE DISPOSE OR 

DISCHARGE TO THE GOM

Projected 

Downhole 

Disposal

























SECTION N

SUPPORT VESSELS AND AIRCRAFT INFORMATION

(30 CFR 250.224 and 250.257)

A. GENERAL

Apache will travel the most practical, direct route from the shorebase to High

Island Block A-376 as permitted by weather and traffic conditions.

Type Maximum Fuel

Tank Capacity

Maximum

Number in Area

at Any Time

Trip

Frequency

or Duration

Tug Boats 3000 bbls 2 6 Days

Crew Boat 1500 bbls 1 3 Trips/Week

Supply Boat 500 bbls 1 3 Trips/Week

Helicopter 760 gallons 1 As Needed

B. DIESEL OIL SUPPLY VESSELS

Size of Fuel Capacity of Fuel Frequency of Route Fuel Supply

Supply Vessel Supply Vessel Fuel Transfers Vessel Will Take

180' 1500 bbls Weekly From the shorebase in

Cameron, LA to High

Island Block A-376,

then back to shorebase

D. SOLID AND LIQUID WASTE TRANSPORTATION

Type of Waste Total Name/Location Rate Transportation

Approx. Amount Method

Composition

Trash & debris 7740 cu/ft BFIat NA Compactor

per year Cameron, LA bags and

shipped to

landfill

E. VICINITY MAP

A vicinity map showing the location of the proposed activities relative to the

shoreline, the distance of the proposed activities from the shoreline and the

support base, and the primary route of the support vessels and aircraft that will

be used when traveling between the onshore support facilities is included as

Attachment N-1.

Apache Corporation

Supplemental DOCD

High Island Block A-376 (OCS-G 02754)

Page N-1

July 30, 2012