Oregon State Sheriffs’ 2014 Civil Process Manual:
You can sometimes find this in your county law library.
“Any attorney seeking to expand his or her knowledge working on matters involving civil process will benefit from this informative seventeen chapter civil process manual.
There are all kinds of writs: execution, attachment, review, mandamus, and assistance, to name a few.
The one most commonly asked about by pro se litigants is the writ of assistance. Here are some sources of information and forms:
Oregon State Sheriffs’ Association Civil Process Manual (aka “Sheriffs’ Manual”)
Oregon Legal Research Blog