Archrock Inc (AROC): Carlson Capital Lowers Its Stake

Page 3 of 25 – SEC Filing

CUSIP No.  03957W106	SCHEDULE 13D	Page 3 of  27 Pages

1	NAMES OF REPORTING PERSON               Double Black Diamond Offshore Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)  [   ]  (b)  [X]
3	SEC USE ONLY
4	SOURCE OF FUNDS              WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)	[    ]
6	CITIZENSHIP OR PLACE OF ORGANIZATION            Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 0
	8	SHARED VOTING POWER 3,290,109 Common Shares
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 3,290,109 Common Shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON        3,290,109 Common Shares

12

CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

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13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
	4.73%
14	TYPE OF REPORTING PERSON
	CO