August 2019

Columns

Reliability: Find the cause of black oil in pump bearing housings

While on consulting assignments, observant reliability engineers often uncover (or rediscover) failure initiators that their long-departed colleagues experienced years ago.

Bloch, Heinz P., Hydrocarbon Processing Staff

While on consulting assignments, observant reliability engineers often uncover (or rediscover) failure initiators that their long-departed colleagues experienced years ago. Black oil, a collective term for oil rendered unserviceable after a puzzling change in color, is one of these “rediscoveries.” Satisfactory explanations are occasionally found in books and articles, but understanding the root causes and retrieving factual data may not be easy. The origins of black oil formation Two primary explanations exist for lubricating oil having changed from its original straw color to an almost black color: The pump is perhaps fitted with a 1980s bearing housing protector seal. Millions of the

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $399 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive

Comments

Comments

{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}