The phrase "abandon operations" is correct and usable in written English.
It can be used in contexts where a business, military unit, or project is ceasing its activities or withdrawing from a situation.
Example: "Due to the severe weather conditions, the company had no choice but to abandon operations until further notice."
Alternatives: "cease operations" or "discontinue activities".
In the early hours of March 15, Prime Minister Naoto Kan stormed the headquarters of Tokyo Electric Power with an impassioned order that the company not abandon operations at the Fukushima Daiichi nuclear plant.
But a heightened threat level within the camps has forced many of such organisations to abandon operations in Dadaab, resulting in the shrinking of an already small job market.
Protests in early October over Italian interference in Ottoman-controlled Albania by the Austro-Hungarian Empire forced the Italians to abandon operations there and permission was denied.
In particular, it was ineffective at protecting English Channel convoys, which were forced to abandon operations for a few months, starting in July 1940.
In his October 2015 letter, Zawahiri takes great pain to outline that his organization believes ISIL should abandon operations in Syria and that Abu Bakr al-Baghdadi should move and consolidate his work on the IS caliphate in Iraq.
Greenpeace said it was astonishing that Centrica would risk the enormous financial costs of a spill in such pristine waters when larger companies such as Shell had recently abandoned operations in the Alaskan Arctic.
He abandoned operations in most other states voting beforehand, and on Feb. 5 he upended his schedule to fly to Milwaukee after sending an e-mail fund-raising plea to supporters saying he would be "out of the race" if he lost here.
Oil companies abandoned operations in coastal oil fields in advance of the hurricane.
The trial was finished when the robot reached the goal or the participants abandoned operation.
Nippon Credit Bank is to shrink at home and abandon foreign operations.
In 532 Justinian decided to abandon military operations in favour of diplomacy.
